No. There are plenty of other ways of selling your constituents out for money that aren't corruption. I am assuming that people who value money over most everything else will tend towards decisions that optimize money at the expense of other values. It is a self-evidential claim.

Yes, there is a balance. My point is I don't wish for people where the balance is biased towards favoring money as a primary motivation for the above reason. I would much rather have someone willing to forgo excess money to help their constituents when they are in conflict.

Consider a sports analogy. There are baseball players who will put their team winning at jeopardy to pad their stats. They may refuse a sacrifice fly because it hurts their batting average. That doesn't mean they'll cheat (the equivalent of your corruption claim). But it does mean I don't want them on my team; I'd much prefer someone with winning as their primary motivation, not maximizing their personal stats.