Some people just want to use a library. Not everyone wants to build a library. When evaluating a candidate library, it’s perfectly reasonable to look at things

Some people just want to use a library. Not everyone wants to build a library. When evaluating a candidate library, it’s perfectly reasonable to look at things like documentation completeness. “Don’t discuss weaknesses; fix them” isn’t helpful or constructive. There is no moral commandment to pretend all open source libraries are without flaws.