Governments usually move slow and sometimes (most of the time) they can't react in time and they are after-the-fact legislations. It's NOT OK for companies to sit back and not attempt to stop that behavior. By doing nothing but continuing to do business with them they are essentially approving that behavior. Here's a tweet[1] with some screenshots of some of the type of conversations that are happening on Parler.

[1] https://twitter.com/BethLynch2020/status/1347987417052172306...