Debian (testing) is most suitable for me. If there were a universally best distro, all the others would cease to exist...
It isn't made by a for-profit company and thus doesn't have "features" I don't want.
It pays attention to software freedom, though it isn't so restrictive about it that it doesn't work with my hardware.
It was very easy to install only the things I wanted and needed.
while I don't know the answer to the question, I am very certain that
is not it; if that could make the whole fediverse crash, someone could do it maliciously. At most it will cause problems delivering your messages or delivering messages to you.