Yeah i'm wondering how much of a role that plays in this as well.

On the one hand I could believe it's something more benign, or the usual misunderstood fear mongering making it to some political level (well make sure those users can't get online anonymously! being our current craze).

That said, chemistry and to some level physics have been the major domain of limited knowledge (chemistry because the average person could cause some damage, physics is more of a nation state issue generally).

However I do wonder if there's some legit data on "oh uh...looks like this thing you can make with easy to get and hard to regulate tools is dangerous" in the bio field. I know about the lab rats who want to just screw around in the garage, and it seems like that should be easy to hit at a supply level (much like how certain chemical compounds are just not available for civilians), but maybe there's something legit to limiting the data.

Not that this is a remotely good implementation of that. The hamfisted method does reek of some politician/bureaucrat just saying "No it can't ever return bio questions because RAR!" situation.