When was the peak of tyres in terms of performance in F1?

Depressing how things have stagnated since pirelli figured out that instead of spending £50 million on r&d and £10 million on lobbying the fia a year, you could just spend £30 million on lobbying the fia and £5 million on r&d instead.
And pirelli is given more exposure than Michelin and Bridgestone were when those companies were actually trying through their name being said x10 as often during broadcasts because of the extended role tyre degradation has in races.

Even if it's not usually the optimal strategy, the no stop should still be legal and possible during a race, the tyre strategy shouldn't be used as a crutch to draw attention away from how bad the racing is.