One is the best, most reliable video serving platform on the planet and the other is a scriptkiddie’s project that evidently doesn’t even work and he’s so salty about it that he had to make a post.
The OP is a post by a random person discussing reddit drama. As far as I can tell, the author of uBO isn't involved in any of it.
uBO does work fine, and is easily one of the most valuable pieces of end user software there is. Raymond Hill is very generous and has made a very positive impact on the world.