I say my position isn't radical because it's not really a radical position. In fact I apply the philosophies that drive my own fit when I fit other riders. One of the more open minded recreational riders (woman, 40s, not a racer, hybrid bike) really liked the "out of box" fit I did for her. She ended up in essentially a road bike position with straight bars. It was more comfortable, allowed her to get more power down through the pedals, and basically made riding more fun for her.

Another rider I fit more recently is a teammate of mine. I prefer not to offer advice unbidden so I waited until he asked me for some advice on his racing. He finally asked me for feedback as he felt like he was in a rut, he couldn't quite win the B race, he didn't have the punch that he thought he should. The first thing I did was re-fit him on his bike. He'd been "professionally fitted" but his position was, to me, obviously holding him back. We made some wholesale changes - measured in centimeters - and I told him to give it a shot without "easing into" the position. We did the position change on the weekend. The next Tuesday he won the B race, and in fact he won the next three total (and then I think the races were done for the season). He also placed in a target race, I think a 3rd place in a hard race (the next year he got 2nd and I was one of the last finishers).

Net position changes were 4+ cm more drop saddle/bar, 1 cm more forward, 1 cm more net reach (2 cm longer stem but saddle moved forward 1 cm).

His position is still pretty conservative - I see the potential for another massive change, literally 4-5-6 cm of change in reach, but that would require a custom frame and a huge commitment on his part. He's not prepared to do that so no go on the fit change. However he's since won the A race at that Tues race (I've never gotten better than 2nd) and he's made some huge moves in races, once soloing 7 laps chasing a break in vain, getting caught at about 200m to go, leading out the sprint, and winning the field sprint.

His position changes reduced stress on his back, improved his power, and probably improved his aerodynamics. It's more comfortable (we did a long ride one year, I think it was 105 miles, and I was reduced to hanging on for dear life by the end), it has better performance.

Once a person accepts that you can get more comfort and also be more efficient/powerful it's not a big deal. To buy into that theory is hard though - most riders assume that a more efficient/powerful position will automatically be less comfortable. At some point, yes, that's true, but for general riding that's absolutely not true.