Not sure where you're going with this. Obviously the immigrants who were speaking are the ones whose speech is being regulated by the government. If you want

Not sure where you're going with this. Obviously the immigrants who were speaking are the ones whose speech is being regulated by the government. If you want to argue that immigrants don't have protection under the first amendment, clearly they do per centuries of jurisprudence. If you want to argue that this is one of those "no freedom from consequences" situations, recognize that this isn't a private party. You or I can cancel someone by refusing to deal with them, but the government is expressly prohibited from from doing so by the clear text of the first amendment.