Also, we are up in arms about the introduction of government tracking is 1) it's not JUST government tracking, the age restricted sites will also get your PII and 2) most people get concerned when governments start getting involved in things regarded as private, like sex, porn, etc. 3) What will require verification is unclear "age restricted content" is pretty open.
Think I'm getting why people are so concerned about this, and why it's about more than age verification.