is the threat of “running out of data” real or warranted?

I had this question after I read Chinchilla’s wild implications. In the article, nostalgebraist tossed out some good questions which answers seemed obvious:

How much more data could we get? This question is complicated by the fact that not all data is equally good.

This is true, and the blogpost did a good job centralizing the available and conventionally used datasets to