They are allowed to spend as much as they want for votes due to their freedom of speech. Sure they can't directly vote but ever since like 2010 have a lot of human rights and I'm sure would love more. I would not be surprised if one day they could directly vote considering due to their rights. I hope though we can push back before then and change things.
https://www.brennancenter.org/our-work/research-reports/citi...
