I'd agree with all of that, and I know you know your stuff with suspension. I'm still happy with my choice. I like Bill's system. I'd probably go that way in the future, but a rebuilt or upgraded factory style setup would also serve anyone very well
I’ve got no problem with people using the RMS or other coil-over conversions. They do have their advantages, just like any suspension system. If you’re happy with it then that’s all that matters, your car, your choice.
The part that bothers me is the exaggerated benefits and unfair comparisons. Other than the rack and pinion steering and header clearance, there’s pretty much nothing the coil-over conversions will do that the torsion bar suspension can’t also do. And in most cases do a lot cheaper, even with a full aftermarket upgrade of the torsion bar suspension. There’s nothing magic about coilovers, and there’s nothing special about the MII suspension the conversions are based off of.
There are pros/cons to both systems if you consider everything. If someone considers all the pros/cons and decides to go to a coil-conversion that’s their business. But no one “needs” one to get their car to perform its best. You can get equal or arguably better performance in some applications while still using torsion bars if you set up the suspension properly for what you’re using your car for.