You might think so, but they didn't face any backlash for buying politicians [1,2] and bragging about it [3], so why would they worry? You also assume that the US is a "very safe ally" naturally, and not as a consequence of means such as these.

[1] After House Speaker Mike Johnson Pushed Through Israel Aid Package, AIPAC Cash Came Flowing In - https://theintercept.com/2024/01/20/israel-aipac-house-mike-...

[2] The Israel lobby and U.S. foreign policy - https://www.hks.harvard.edu/publications/israel-lobby-and-us...

[3] More than 95% of AIPAC-backed candidates won their election last night! Being pro-Israel is good policy and good politics! - https://x.com/AIPAC/status/1590362232915132417