Well, Ward,
Just opinions, but except for 40 Pylon, I don't think there's anything RC that pulls the g's that most about anything in CL does. 3D and park flyers don't move very fast, so the g's they generate are softer.
RC Pylon models I've seen, and seen pix and plans of, don't have that long triangle top view, and they are built a mite sturdier to handle the power they use.
Our CL models are more compact than most anything else in modeling, with more power in a smaller space, not just the higher-g situation. Our good models last hundreds, occasionally thousands of flights. How does a typical RC model compare to that?
There have beeen rubber-ducky front end CL models, and some of them last quite well. No question. Our usual methods help keep the models sleek, without needing to grind off the mount lugs, like that profile scaler in the recent MA. You omitted mention that the RC 'accessories' seem to be on the fragile side?
I wouldn't consider mounting a 35, 40 or larger engine with self-tapping screws for CL, but those are the usual recommedations for RC mounts... Maybe I'm just overcautious?
Anyone willing to try the RC market stuff to see if it is good in CL is free to do so. We already use quite a bit from that area, since it is about all there is available at larger LHS... For the more stereotypical RC Sport stuff, if it had proven any great advantage, word surely would be out.
Ah, but we do have inertia, stubbornness, to overcome, too. We've had too much fun dissing the RCers to admit they have anything good going...