Yes, it's OK to have opinions about people, to express those opinions, and to choose whether or not to associate with any organisation you choose for any reason you choose. These are human rights (protected to varying degrees) across much of the world, and especially so in the USA.

Freedom of speech means that I can publicly criticise people for what they have said and done. Freedom of association means that I can choose whether or not to associate with people or organisations based on whether I feel they support me.

He has a freedom to say what he wants, believe what he wants, and donate to whatever campaigns he wants, according to SCOTUS. The Government cannot put him in prison for that.

Any company is free to choose to hire him, and any person is free to criticise that company and refuse to associate with them.

There are no freedoms being broken here, whatever you think. Which freedoms do you think we should not have? Alternatively, when do you think it is OK to exercise my freedom of speech?