Do me a favour, sunama, and look at who got on the podium at these so-called uncompetitive races being dominated by Williams.
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Done it? Okay, lets go through it.
You've got both Williams cars, obviously. Senna, obviously. Andretti and Hakkinen each got one in the second car (and that's with the season Andretti was having, and Hakkinen only racing three times). Benetton - Schumacher got a bunch, Patrese even managed a couple. Ferrari - one each for Alesi and Berger despite the car being truly awful. Blundell got two in the Ligier for Christ's sake! As for wins - two teams got nearly all of them, Williams and McLaren. Schumacher got one for Benetton.
Now, lets look at a more recent season with a dominant car at the top. Say.....2002. Ferrari, Williams and McLaren got all the podium positions except a lone one for Irvine in Italy for Jaguar. Wins - Ferrari won the lot aside from one for Williams and one for McLaren.
Hmmm. Yes, I can see why you'd think '93 was less competitive....
Perhaps it would be fairer to compare '93 to 2000. 2000 was slightly closer at the top (19 pts versus 26). Ferrari and McLaren took all the wins between them. Only Benetton (twice) and Jordan (also twice) were able to make the podium with those two and Ralf's Williams. So still....
The FIA, when they banned all those neat toys from the high-tech era, did so for several reasons. Cost - it really was spiralling out of control. Performance - with some more engine, tyre and aero development, these cars would end up truly terrifying. And competition - they figured it would improve. I'm not sure it did. We got two Schumacher championships, two Williams ones for Hill and Villeneuve, two for Hakkinen at McLaren and then the start of the inexorable Ferrari steamroller. So, still no look in for anyone other than Williams, McLaren, Ferrari or Benetton/Renault since 1984.
Ninteen. Eighty. Four. That's a long time to go without anyone else breaking into the title winners circle. Hope BMW can rectify that sometime soon, since they look the most likely.