Have you considered that these companies might not actually be that innovative and that the parent comment was a legitimate criticism?
The parent comment has been completely rewritten.
It's terribly easy and not very useful to dismiss things in a vague way like this, and it's often wrong, particularly if talking about an entire category or market.
e.g. google could have been dismissed as just a search engine but it turned out eventually to be exactly what a lot of people wanted.
(As written now) I think it can be legitimate critic. Google really grew out of making a better search engine algorithm and all. Some of these businesses are essentially reselling things and not really focused on innovating the substantial part of the business. That can also work of course, but I can see why it's less interesting.
I tend not to post as many moderation scoldings in YC-related threads, but that was such a bad HN comment that I'll break the pattern for it.
Edit: you rewrote your comment to make it (somewhat) more substantive and less snarky. In principle that's fine, but it would have been more respectful to preserve the original context for the reader.