Yes, but in this case? The users are being migrated to a new authentication account and have been notified for many years that they needed to move over - it’s been like 5 years, right? The servers are staying up. And if you’ve got a Mojang account, any possibility of this still being under even the most generous warranty is long gone.

If you want to participate in a community where you control the software, you should be getting into open-source games. Minetest is great! It has a better modding system than Java edition! But ultimately, if you’re playing commercial games, you have to deal with a reality that the company owns it and there’s no guarantee what will happen to their servers after the warranty is expired.