"The U.S. Supreme Court on Tuesday declined to revive a newspaper's challenge on free speech grounds to an Arkansas law requiring state government contractors to pledge not to boycott Israel, a policy the publication's lawyers called a threat to a constitutionally protected form of collective protest." [1]
1. https://www.reuters.com/legal/us-supreme-court-spurns-challe...
2. https://www.hrw.org/news/2019/04/23/us-states-use-anti-boyco...
This is hyperbolic and obviously false.
Brain-dead and authoritarian though the anti-BDS legislation is -- it is ultimately a corner case with very narrow applicability.
On the whole, you are perfectly free to criticize Israel in the U.S., and of course countless people have been doing just that for multiple decades.