I understand what you're saying, but I think it's important have some perspective.
911's can be driven like you see in the videos (well, they can if you're as talened as those drivers, most aren't). In the RUF video, Stefan is deliberately trail braking and turning in late to get the rear swinging, and then he's jumping straight back on the gas. But you wouldn't drive it like that if you were going for a lap time... in that case you'd be more sensitive on the brakes and use the traction advantage RR gives to maximise exit speed.... but then the video wouldn't have such a huge attraction.
The Yellowbird is a 25 year old car and suspension and tyre technollogy have moved on a loooong way since it was built. It uses the narrow bodyshell to maximise top speed (IIRC, Car and Driver manager 211mph in one), so it has double the power anything Porsche ever built in that shell (the last SC's had around 230bhp). It's no wonder it's tricky to drive and it will smoke it's tyres for a long time.
