The donor class isn’t out of touch with what they’re doing, the population is out of touch with what the donor class is doing. They are making investments in politicians they expect to see a financial return on. That is the only thing they care about. If Israel stops paying off then they might take a loss and reinvest elsewhere, otherwise they’re going to keep on the proven track they’re on. We can’t expect them to have concerns other than their own finances. The main effect we can have is finacially, which is why BDS is seen by the political and economic establishment as the single most dangerous idea in the US at the moment.