I have no idea; I think that's just what royalty-free music samples tend to sound like. (..Bad, in other words.) There's a ton of them on this site:
Royalty Free Motivating Corporate Music (The samples on that particular page are very similar to movie theater waiting music.)
I do find they vary a bit depending on the decade:
The modern-day kind tends to be a bit more intense (at least here in America where nature documentaries and commercials geared toward men have to be EXXXTREME with over-the-top sound effects)