A 75km TTT??? Terrible idea. I’d prefer they banish TTTs from GTs altogether, or at least don’t count them toward GC.
Everyone hated that Tour in part because of the route, as I recall
it was the sky train that ruined that tour.
That type of route would work today. Touissure and the Grand Colombier Stage would have seen the top 10 spread out over several minutes due to all the long range attacking that would have been done. Pyrenees would have been a war