I guess it depends on which cause you wish to serve
when someone joins a cause under leadership of an offender to attack another offender, it's a safe assumption that the issue is not really the offense, that's just the excuse used to attack the other, sometimes even to distract from the attacker's own offense.
now, you're smart enough to realize that the superficial reason is dishonest at best, so I get to wonder why you choose to be a part of it, to allow yourself to be used by one offender against the other