2) People (especially political pundits and libertarian minded tech people) have been crying for more free market principles to exist. Don't like Facebook is sharing your pictures? Good, stop using the service then. Is that the free market at work or is it cancel culture?
3) Whether an organization deems employees actions political or not doesn't matter - the only thing that matters is what the audience deems political. If an employee gets "canceled" and you refuse to fire the person resulting in an impact to your financials, you better have a good reason to tell your board why you suffered economic loss.
I have first hand experience with cancel culture in the workplace. At a former company, we had an employee (one of ~60) who tweeted something critical about Trump during his presidency that was drug out into the spotlight (it got Fox News coverage) by Trump Jr. Our management team received scathing emails from clients and potential clients that said "fire this person or never work in this industry again" (mind you some of these came from billionaires and CxO's of Private Equity funds).
When your revenue is on the line you don't have a choice in this matter. So, to the parent's point, pretending to take this stance isn't not be apolitical.