Whatever happened to innocent until proven guilty?
...is a principle in criminal law (only) by which the full force of criminal penalties cannot be exercised against a person until their guilt has been proven to the standards of judicial evidence (beyond a reasonable doubt).
Has absolutely nothing whatsoever to do with whether a band, or anyone else, considers it appropriate to be associated with you.
Society has, and SHOULD have, lots of sanctions against wrong and harmful behavior other than criminal conviction.