I don't think the effects of one's actions, such as those of Disney's, would negate whether the company intended to do something to help their own company.
With that being said, abortion should be legal at the federal level. By your logic, this isn't a political statement.
Literally nobody will benefit from a ban on abortions. That doesn't stop people from taking such a position.
It seems what you're really trying to say is that corporations should only act in rational self interest. As has been pointed out, there are circumstances in which a corporation can be acting in rational self interest by supporting abortion, or by taking other politically-charged positions.
The whole rational-vs.-political dichotomy you're trying to put forth is a false one; being political is not synonymous with being irrational or whatever you're suggesting.
The political class benefits from constituencies terrorized by leaders who criminalize health care
