Earlier quoted context omitted.
This is the first time I have seen such a complaint against bibtex. Yes bib files are finicky to write correctly, and bibtex can be a pain to use. But bibliographies are never "imprecise, missing important info or plain wrong." I've written 100s of pieces with latex+bibtex, papers, websites, reports, books. bibtex always makes citations and bib entries look like what I or the publisher need. If something is missing,…
I have seen very few fully correct bibliographies written with bibtex in the wild. Not everything wrong with bibtex is a bug; the big problem is that bibtex is not adapted to its modern usage. A non-comprehensive list of problems: 1. Does anyone run bibtex directly from the command line? No, it's an extra step and the syntax is hard to memorize (should it run on the tex or the bib, and with or without the extension?)…
This won't fix everything you've mentioned, but I feel like I generally have a lot fewer issues than what your comment would suggest.