Absolutely not, wot gave you that idea?? We got the nether update, which was fantastic, 1.17, which is good, and we gonna have 1.18, which will be splendid. The only dip in players is the occasional Fortnite kid, people who have to get a daily dose of depression in school, and kids in China (the gov basically banned vid games to appeal to karens).
Usually when something gets so much popularity there is little anyone can do to bring it down. Even if MC was shut down, people would find the code somewhere, and resurrect it.