Having an attitude like Coinbase is the way to go, in my opinion. That is to say, disinterest in politics while allowing employees to do whatever they want in their own time.

As for politics entering aspects of the company, such as right vs left wing healthcare plans, wearing or not wearing masks, etc, the decision should be towards the most scientific approach that helps the most number of employees.

For less scientific things, such as BLM or allowing/disallowing guns, where it's not related to any clear scientific purpose but to people's opinions, there should be no stance that the company should take, but it can encourage employees to support causes in their own time.