[YZF]

It might help to have some rationale or at least anecdotes.

The people nobody(tm) likes are the ones that insist on things without knowing why and/or without any relevant experience. They read it in a blog, or someone told them that's better, Google does it, cargo cult etc.

Start by assuming your coworkers have their reasons why they do something, not because their standards are lower. Maybe it's not worthwhile to spend time on making something a little more perfect when there's other more valuable things to invest your time in.

On the other hand, it is possible that your peers truly have lower standards, less experience, and don't understand what they're doing. Unfortunately there's no easy solution to that. It's possible that by being the annoying guy that always nitpicks you will be able to drive some improvement, but it'll take its toll on you. As others said, lead by example works somewhat. The problem though is that sometimes the "why" in software engineering only happens after many years.

I'll also second the idea of doing your code review with those people as a discussion vs. an offline process where you leave comments that can be interpreted in different ways.