There's a big difference between examining the past for critical similarities to current events and exaggerating the current situation to make those connections closer than they are.
The former is important and useful, the latter is counter productive as the people that realize you are exaggerating then have a reason to discount everything you say without examining it to closely, as you've already shown yourself willing to manipulate to get your way.
That is certainly a lot of words up there without actually addressing the point at hand. Should we or shouldn't we compare the surveillance society in US with the situation in other authoritarian societies. (hint, yes.)
No let's not. We absolutely need to be reminded of the frogs that got turned into frog soup in the next pot over.