And they'll move the goalposts even if she calls for an "arms embargo".they are asking for an arms embargo because of the blatant violations of international law.
A lot of unions have called for them as well
Unions demand arms embargo of Israel, back protest of Netanyahu’s visit
When tens of thousands of people demonstrated against Israeli President Benjamin Netanyahu on July 24, the day he spoke to Congress, a strong labor contingent was part of the march. Six unions — Association of Flight Attendants, American Postal Workers Union (APWU), International Union of Painters,www.workers.org
A few of them have endorsed Harris, so I have no idea how you can say most of them aren't Democrats.
Also, a few of them endorsing her means nothing. Most of the actual protestors (not some higher-level organizers) are not Democrats, lol.