Did you consider choosing another instance? mastodon.social is a bit too big, so it's a good idea to take a look at other instances. I've never seen an instance that was restricted in this way.
@dustcircle @Mastodon@mastodon.social @Mastodon@mstdn.social @staff @mastodonusercount @bluesky@lemmy.ml @bsky.app @bluesky@lemm.ee