Tech companies and their executives have, broadly, moved to align themselves with investors and adopted a posture of, often, disdain or outright hostility towards their users and employees. If tech companies don't value you, why provide value to them? If they back political positions hostile to your interests, why not return that hostility?
Curious why you’d listen and then end the call without speaking?
Because if you don’t speak you may have been a modem or fax, and then your number isn’t as valuable