The Parler ban was a response from service providers so that they are not blamed for what their users (Parler) do (controversial opinion). The GME/etc ban is a

The Parler ban was a response from service providers so that they are not blamed for what their users (Parler) do (controversial opinion). The GME/etc ban is a response from Robinhood so that they are not blamed for what theirs users (retail inverstors) do (controversial trading activities/losing money).