[PeterStuer]

The absolute worst I ever encountered was the Mojang to Microsoft account migrator. The only thing I ever found it accepted was one of those indecipherable browser generated passwords unfit for human entry or memory. Ofc the rules were never stated, so you just had to guess.

[zelphirkalt]

Pretty bad, but use a password manager and generate random passwords, unique to each account.

[bagels]

I really, really think that flow was designed to try to get more re-purchases of Minecraft.

[Elfener]

I mean they could've not deleted the accounts of people who didn't migrate (and instead just stopped them from playing until they did) and they did delete them so that is definitely the case.