Having said that, I found consistently that when a project has working examples, ideally documented a bit, aka explained, they tend to work much better than those projects that have no examples. Working examples often also help get into a project quickly and check out how it works. It helps to learn too.
READMEs are not useless, of course, but the quality varies a lot. I also know of folks who use AI slop spam to improve it, but while it may improve a little bit, it generates a lot of horribly to read text that makes no sense. I am noticing this with the ruby core dev team - they (almost) all suddenly have perfect language skills but it is more like an advanced babelfish translator. What they piece together here makes no sense. Claude in particular is now famous for this slop content. And I don't understand what it is used: real people read any of this AI slop? Because I just skip it or filter it away these days.