The goal in Western capitalism is to create wealth for stakeholders. Those stakeholders can then get involved in politically impactful projects as wealthy individuals if they have a conscience. As competitive, innovative companies they will bring wealth and better lives to their communities long term.

There are many good reasons for this system.

Wanting companies to play politics means they will be choosing sides of a political establishment or party, and it is divisive to our society. You should not want to divide our society even if you think you're obviously right and they're obviously wrong. America does this more than any other nation, arguably because their media constantly does it. Shoving politics at others is still fundamentally divisive.