You can do your own google search on the two words 'dinosaurs' and 'gravity' and you'll get a very large number of hits. Ten years ago Holden was the only person on the internet talking about anything like that but the idea appears to have attained critical mass as of late.
It is the standard tactic of people like "PatrickHenry" to attempt to demonize others or cast others as crackpots, but you only have to read a few of PH's own posts to grasp the fact that he doesn't really know anything about science and that he isn't really contributing anything to any sort of a discussion. It's really all just about character assasination.