Scott Galloway explained this point perfectly in his talk at Ignition 2017: https://www.youtube.com/watch?v=1ebKI4x_k8A. It's time to break up the big tech companies to allow competition (and capitalism) to flourish.
This is the same impression I got by interviewing at the big 5. Everybody there drinks the Koolaid while building things that have a negative impact on the world