I realize these are all pretty innocuous statements and it's only the crime he's accused of that make them sound creepy, but some of these comments really do read like someone who doesn't really get other people's motivations and is learning how to mimic their behaviors/stated motivations because they don't come naturally to him. MOO.
I do think they'd seem pretty harmless without his recent arrest, though. It really is hindsight that makes stuff like that stick out.
On another note, though, sporting that Richard Spencer-style haircut in 2016 might have also been a red flag; at that particular time, it was very popular among a certain sub-culture:
This Wildly Popular Haircut Has a Serious Neo-Nazi Problem