> That seems surprising given that they spend a fraction Probably by design to “seem to” spend only small amount of money, so that even people who know how to search on google for key facts won’t immediately see their outsized influence.

From an nytimes article [0] on this topic and lot of anecdotes on fall outs from taking policy positions against israel (not anti-Semitic)

“ Unlike the National Rifle Association, the Human Rights Campaign and other powerful grass-roots advocacy organizations, Aipac, which is bipartisan, does not endorse or raise money for candidates. But its members do, with the organization’s strong encouragement.”

“Traveling to Israel on a trip financed by Aipac’s education arm is practically a rite of passage for freshman members of Congress.”

https://www.nytimes.com/2019/03/04/us/politics/aipac-congres...