I don't think this is true: the older the tech, the less hype it has and thus the less blog posts/example repos/etc will be available. In particular, a boring l

I don't think this is true: the older the tech, the less hype it has and thus the less blog posts/example repos/etc will be available. In particular, a boring language without a strong open source culture (COBOL, say, or Oracle SQL) will probably not have a lot of training data available despite being very much in use.