They were removed strictly for (supposed) violations of law - what reddit hosts is, at the current time, unquestionably legal.
Gab/etc were accused of inciting violence, threats of physical harm, treason, etc. Reddit hasn't been accused of anything like that recently. Regardless of reality, infrastructure companies can make their own decisions on who is guilty and innocent.
Reddit without a shred of doubt has hosted and continues to host illegal content too. I bet you'd find a goldmine of illegal content if you scanned the smaller subs.
You're right about accusations though. It seems that accusation alone is the key factor in whether you remain on AWS. Doesn't aspire confidence in AWS, does it.
