What does the US get out of the special relationship with Israel? Anti-Israel sources mostly talk about the strong Jewish lobbies, while pro-Israel sources mostly cite being the only democracy in the region. Both seem misleading at best. What's the US's argument from self-interest for tolerating this kind of thing?
It's tolerated because US engages in similar behavior against it's allies. Officially the perpetrator denies allegations, and unofficially they pay some undisclosed penance.
The only real thing of note was the lack of official rebuke from the Trump Administration.