Of course it is. You have 3M, Target, General Mills, Cargill, and US Bancorp on here, among others.
If you are looking for some revolutionary call to action, you're looking in the wrong place. And you're misunderstanding what's happening.
It is a really big deal for these very conservative, large, rich companies to be telling the federal government to cut it out, even if it is written in generic legalese.
The letter is not for you. It is for the administration. And it is extremely clear.