#1 is bad, but I'd think the lesson any halfway competent politician has learned about the "anti-war" left is they don't vote in numbers and can be safely ignored.

personally i can think of a few reasons besides political clout for why someone should avoid killing innocent civilians

It’s not just that, it’s also that even where their putative issues are addressed they will virtually never leverage what power they do have (in any form) on behalf of a politician who is affectively “normie”, so they’re not worth catering to. All downside, no up.