Earlier quoted context omitted.
on a different side: it also tell you (a lot) about specific people. I've seen good/great people call out the nitpicks (in my case it was often mis-spelling, due to not being a native speaker of english) but will approve the PR anyway (implicitly expecting another revision to be sent, trusting the submitter). On the other hand bad/toxic people will drown you with stylistic nitpicks and won't approve (and trust) you t…
In many dynamic languages, depending on scope, spelling is not a nitpick, it has long term mental costs and very well can cause bugs.
Good pr systems will perform a build of the code and run tests, so if the mis-spelling is in the code the build will fail anyway.