If you look at Texas law for example, there have been court challenges and questioning the constitutionality of such anti-boycott laws.
https://www.salon.com/2022/02/02/anti-bds-law-in-texas-free-...
As for “self-hating Jews” I’m not sure those people would describe themselves as such. Much has been written about differences in the US Jewish community, but for an example of diversity of views on Israel among US Jews, you can see this pew research article.
https://www.pewresearch.org/fact-tank/2021/05/21/u-s-jews-ha...
Anyways, I think the evidence should be evaluated instead of labeling a source anti-this and anti-that without further investigation. You can even look at the BBC, which you cited, as being implicated in caving to pressure from pro-Israeli lobbies to censor itself.
https://www.middleeastmonitor.com/20210602-bbc-sparks-outrag...