Ridiculous statement. You must believe they should have political speech then? Maybe they should be able to donate to elections or even vote too? Why stop at corporations?

If they want speech, they should reside in the US, not just own a piece of a company that does.

The rights enforced inside the US are very generous compared to most countries and many apply to both legal and illegal residents, but restricting some rights, especially political ones, is crucial to have a sovereign state