Acme is just a way of calling your company "Best Brand" or "Peak Product" while being just a tiny bit less pretentious about it (and, conveniently, getting yourself listed before "American Anything" in lexicographically sorted lists).

It was only a matter of time before company names like that would be mocked.

That said, Best Buy is still a thriving business / brand (as are American Apparel and AAA).