Same applies. Still a recent phenomenon. A fraction of a mm difference in character size or spacing isn't an in your face thing that people who only want an example or two of a type are likely to notice.
Variety collection is almost exclusively driven by literature, not from a desire to do the basic research. Nerds in every field have always been the exception to the masses, but until pen is put to paper, their research is shared only by a few interested people that bounce ideas off each other. They are the only people likely to have a big enough database of examples.