"Mainstream" leftists, maybe.

The people going full wehraboo "hitler was right" have always been leftists. Genocidal racial collectivists are leftists.

While popular support for Israel has eroded, I expect our MIC will keep shilling for their weapons development range in the sandbox for quite some time still. And the globalists have quite a lot invested in Israel as an R&D site. Intel is in Israel, and Intel has no compunctions against installing backdoors for the state, as the Iranian nuclear hack showed.