Also, donโt leave your account unused, delete it. User and follower numbers count.
And least as important, reply (if necessary to another corporate mail address) every email with Twitter/X in the footer, with a kind request to stop promoting and facilitating X.
You link doesnt work.
True, it was supposed to be a link to George Takei's mastodon profile: @georgetakei@universeodon.com. There are other celebrities also, as well as politicians, journalists, organizations, etc.
The rest of your answer is justifying quantity over quality (i know which one i prefer) and being in the wrong platform to begin with.