People don’t remember cassette tapes, much less robber barons and monopoly breakups of the 20th century.

Yeah it's more like the regulators are trying to do their jobs again after decades of the failed hands off approach.

The experiment is quickly varying the policy. Trying to compare n=1 decades apart, in the century that saw the greatest change in human history (so far), is a cool intellectual exercise but not simple-stupid enough to be empirical.

Renewed anti-trust. It hasn't been enforced in a long time.