Inspired by recent events, but applicable in general.
As a rule, noncombatants only amass and fight against the odds in large numbers when they’re seriously aggrieved. Their motivations may differ, and their methods may be questionable, but when it comes down to, “We’re being discriminated against, injured, and murdered; we just want relief—stop hurting us or we’ll overthrow you,” and you’re the one they’re protesting, it is very likely you’re the bad guy.