Facebook and Salesforce seem to see it differently; it’s their right to act on their evaluation.
One of the interesting things about the article is that these measures were adopted without a lot of preparation -- simply because there wasn't any time to prepare.
The whole point of the article is that these companies don't even know if the paid leave policies -- along with the other changes that are driving this resentment (like not measuring employee performance during the COVID-19 disruptions) are going to work in the long run.