Still trying to figure out how all these pictures of rooms and floor plans is of any help!
Here are some ways it can help. Most importantly, when watching the videos it might help to know just where SP is at any time they are seen. It allows you to know what might be behind any door. Or it may allow you to know what was just around the corner. It allows for even the simplest of things like knowing the direction of travel. Where could SP go after they went out of range of a camera. You could determine how many different ways SP could have gotten to where they appear after disappearing elsewhere.
With information like that you can examine your theories or explore theories or evaluate theories of others. At a minimum having a map with named references and a compass reference will allow people to discuss a place in the church and people could have a common understanding of just what they are talking about. If someone "thinks" SP is on one side of the building and they really are not it can be difficult to understand what they are trying to convey. If someone "thinks" you can get from point A to point B directly and you really can't it helps to be able to sort it out.
You could ask questions about the church and get an answer that provides information rather than a guess. If you want to know how far a camera can detect motion it helps to know where SP is in relation to the building to understand that.
Understanding the movements of SP may uncover whether they were following a specific path, did they go all the way across the church for a specific purpose, did they have to go all the way across the church because they forgot something. Did they make any mistakes. Maybe they were perfect. But perhaps there is a mistake in there, something SP did or where they went that doesn't seem like much of anything could lead somewhere.
You might be able to estimate how much time it would take to get from A to B or how you might travel a path around the church that avoids cameras.
Every last thing SP went or did in that church is an element of the crime. It tells you something about SP. It tells you something about the crime.
Understanding and discovering just a few dimensions has allowed for much better correction of the aspect ratio of the video MPD has released which is very valuable.
We don't have much evidence to work with. So, there are some people who are determined to work through what is there. Enhance what we have with more information and see if we can learn something. Perhaps, it could lead to a tip. Maybe not. But why sit on your hands if there is something that can be worked out. I don't think any of the people participating are worried about hitting dead ends. But at least the pieces of evidence we have seen will have been worked over.
If you believe this was a planned killing then the more you can understand about what SP did where the better chance you might have of reverse engineering some or all of what was planned.
If you believe this a burglary gone wrong, there may still be something to learn.
There are many other detailed aspects of this crime that others work on. Trying to identify the gear SP is wearing. Trying to identify the tools. Even in that process other things are discovered, such as how the strapping of the left leg was different from the right. There is a reason for that, but it needs to be uncovered. That strapping could very well explain the whole "gait" issue with regard to the left leg and that would mean that you won't find someone walking around everyday just like SP. There are other things about this crime to learn.
And it wouldn't surprise me if MPD didn't learn some of these things yet.
Just the other day someone posted a link to a video of a former LE (maybe FBI) that talked about how it was unusual that a burglar would bring a bar and a hammer as the bar is all they need. But SP had two different hammers - though I don't think the former LE person spent that much time looking into things before offering his input. So, SP is telling everyone - us and MPD - something. Figuring out just what that is might provide a lead or even just winnow down suspects.
While there are discussion going on with respect to the mapping, and yes there is some minutia that doesn't seem helpful, the end product of that will be a better map with more accuracy of locations (the map I work on is to scale and is aiming for exact placement of doors, windows, etc) that people can put to use without knowing how a room or window ended up where it did. They can leverage the sum knowledge and efforts of several people with ease, and for free. And maybe, just maybe, they might have the key that can get justice for Missy and her family.
Just my opinion.