I'm not sure that means less votes for new comers, I assume you still on occasion cast a (what newcomers would refer to) a crumb there direction. I can not even fathom a full power vote from a whale, I had a couple of comments of mine voted by an extremely large dolphin, and was floored by the value of it. So less votes I doubt, controlled votes I can see. You have no idea if they are a real person as in acting for the good of others or just a person looking for a quick money fix. I do a lot of voting for new users, I have recently had to pull two votes, and mute two people, for plagiarism, which I consider theft. So a whale being cautious on votes does not concern me, we vote for who we think are real, and a lot of that comes to voting for and with people that joined during the same time frame, because like @paulag says "As my rep grew, so did the rep of these accounts" I do not see your voting style as "selfish".