I have no idea why people do what they do with their stake, and both Steemians mentioned are great Steemians, and deserve success. That doesn't mean they have to be on the trending page EVERY DAY.
It isn't personal or a dig to either of the people that you mention that it is "Stale" as hell to continue to vote up the exact same articles, by the same people each day. Surely the voters could find some additional talent to vote for once in a while.