I hadn't heard about the Facemask extension and its banning by Mozilla. I knew about its banning of the Dissenter extension, which is presently unmaintained.
Mozilla gets funding from George Soros and the Jewish Anti-Defamation League (ADL) for information suppression projects, such as the 'P2P Hate Report' on how they can censor decentralized platforms.
In itself it is good if Parler quits -- it is only that they would be quitting for the wrong reason. Parler was technically the worst of all alternative platforms. It could only survive through real world relationships of people pulling strings -- cronyism. Jewish CEO John Matze would know.
In some ways, it would also be good if Gab bit the dust. It came to life as a bait-and switch semi-scam operation to create a captive user-base. If there is interest, i can elaborate more -- maybe on a new thread.
For microblogging, there are better nodes to use on the ActivityPub network (fediverse).