I'd love some suggestions for how to get people to avoid this type of bike-shedding. While I'd love for us to use some tools to automate this, we have a huge codebase with existing code that doesn't follow the rules, and it's not in my ability to implement said tools. (Big company, lots of overhead, will affect a lot of people, don't have a lot of time, not my department, etc.)
One of the things I hate is having a different comment for every single place where I misplaced a star or ampersand. My natural tendency is to do it one way, but our style guidelines prefer it the other way, so it's something I miss frequently. Having 30 comments in a review that are all "move the star to the other side" over and over again just makes me hate the reviewer. (Particularly if they don't provide any useful feedback.) A single comment on the first one that says something like, "This doesn't match the style guidelines, and I see several others that don't match. Please fix them all," would be highly preferable. And if, god forbid, I miss one, just get over it. It can be fixed later. It's not nearly as important as having correct functionality in our app, and I'm pretty busy!