Pretentious? Maybe
Boring/Uninteresting? Far away from it
I could name a dozen prog. rock albums that could be termed "pretentious". Heck, many great albums are pretentious upto an extent(depends on the way you look at it obviously). It shouldn't be the first factor to judge the music. You can definitely tell when a band is sincere and when they aren't. I prefer my progressive music without cheesy/crappy vocals and over-instrumentation. And these guys definitely seem to satisfy both. OHBTCL for me is their most uninteresting release...maybe try Be or The Perfect Element?
If you honestly don't like it, well, fair enough. Not trying to force you or anything
