The comments you pasted in particular are about stuff that makes sense and that someone who wants to fully understand some source code can readily figure out, if they put their mind to it.
It's when things don't make sense that it gets interesting, because then you have to guess the original author's intentions, suspect a bug, question your understanding, or deal with other uncertainties. That's usually when a bunch of question marks start to appear in reverse engineering comments (e.g. "increment xyz???")...
It's when things don't make sense that it gets interesting, because then you have to guess the original author's intentions, suspect a bug, question your understanding, or deal with other uncertainties. That's usually when a bunch of question marks start to appear in reverse engineering comments (e.g. "increment xyz???")...