There is an old article in one of the QLD papers that details WT's BM's troubled life. I won't post the link here because (a) it is behind a pay wall and (b) it was written in 2018 which is after the suppression orders were lifted but before they were reapplied again by Harriet Greene, so have all the bio family's names plus pictures of them.
Suffice to say that the BM has a history with the police going back to 2006. The article also mentions, incidentally, that during one event where she was involved with police she was with a family member that was also known to police. I am speculating that her upbringing was troubled (MOOO).
In addition, we are probably all aware of circumstances surrounding the time when the BM and BD absconded and hid with WT.
William Tyrrell's parents hid him from authorities before putting him in foster care, court hears
We are also aware that his BD is now not doing very well.
William Tyrrell’s biological grandmother reveals family’s unbearable pain
We also know that WT was removed from his bio parents because of drugs and domestic violence.
"William’s biological mum explained that William was placed in foster care as a toddler amid allegations of domestic violence and drug use.
“When I had to do a drug screen, I tested positive after I’d had my children,” she told the program."
'They failed him': William's biological mum lashes out at his foster parents
The older article I first mentioned in my post mentions that the BM was (at least in 2018) still caring for WT's 2 younger siblings. I am speculating that this is due to the fact that FACS thought she was able to get her act together enough and demonstrated that she had separated from the BM and hence could provide a more stable home for the 2 younger siblings MOO.
However, IMO this doesn't mean that she can cope with or provide a suitable home for for LT and that LT should be replaced back with her.
LT has likely had a very different life to her 2 younger siblings in the BM's care. She now has endured significant trauma (1 being that she was allegedly subjected to an assault, 2 being separated now from her FP who she had been with most of her life and 3 having a brother who has very publicly and mysteriously disappeared). So I disagree with those who say that she should be returned to her BM MOO. Just because the BM may be doing OK with the 2 younger siblings doesn't mean that she is equipped to provide a loving and stable home to a pre-teen with significant trauma (speculation only JMO). With everything that has now happened, LT will have specific, ongoing need for specialist services and will need to be placed in care that has every chance of being very stable and supportive - enough to try and heal from some of this trauma (if that's possible). IMO I am not sure that the BM can provide this (pure speculation only).
So while I absolutely agree that the bio parents have been dealt a raw deal in life and seem to not have been afforded the same considerations from authorities that the FPs have, let's not romanticise them as being the innocent victims and imagine that LT can now go back to the BM and live happily ever after (I'm being a bit sarcastic here but am just trying to make a point). Whichever way you look at it, the whole situation is just horrible. Whatever happened to little William that day has severely impacted, even destroyed, many people lives and will continue to do so. I agree with a recent news headline that he was "doomed from the start". As it appears now, so was LT. IMOO, none of the major players here, that have resulted in this tragic situation, are blameless.