This might surprise some, but I do agree that for some members, TPs are a problem. I agree that for some posters, TPs have become a status symbol, and I've heard from a few members that groups of guys are getting together to boost up each others TPs. The begging for TPs that we see from time to time is also, to me, a bit sad. I just don't get it.
In the end, though, who cares? I don't think the community as a whole is being harmed, because I think this is a very strong community. Many people enjoy the feature, and I still think most people reward members for good, insightful posts. There's absolutely a popularity aspect of it -- meaning people give their "friends" more TPs than they probably deserve -- but I guarantee that most people get TPs when they earn them for good posts, too.
I'd say people should quit worrying about each other's TP counts, TP ratios, etc., and just try to contribute to the blog in the way you see fit. If somebody sees fit to give you a TP, I say just enjoy it as some recognition of a job well done.