Earlier quoted context omitted.
I'm guessing: probability estimates. Realistically speaking, they had every opportunity to enact this ban before, and freedom to do so after the #gamestonk bonanza dies down. So why act now?
Realistically speaking those particular forums weren't major news stories and flooded with new users (many of them not working for hedge funds!) who don't like what they see before. From the point of view of someone with no stake in the outcome, the possibility some WSB regulars' strategy for cashing out their profits was based around these newbies being encouraged to buy as much GSE as possible probably isn't an arg…
> the possibility some WSB regulars' strategy for cashing out their profits was based around these newbies being encouraged to buy as much GSE as possible probably isn't an argument in favour of delaying action
That argument would make sense if the justification of the ban had been about legality, not use of language. If it's about use of language then it's not relevant.