Hi!
When did you see a newbie handle throttle management as well as controlling the airplane in the air without crashing?
I haven't in 31 years flying.

The problem with all ball bearing .40-46-engines is that they are too powerful and give explosive throttling characteristics. Have you seen a newbie loosing controll of the plane and diving towards the ground.? Panic!
And then and he /she gives full power and elevator to try to regain some alltitude...with the results that the airplane cawarting all around the place and then crashes in a plile of balsa dust.
With a more gentle engine the reaction to full throttle isn't as violent.
That's why a more smoother running engine is better. Like a OS LA .40, .46 or TT .42

These engines provide slower airspeeds which also gives the newbie some more time to think provided you use a fairly large prop like a 11x6 (like APC or RAM). This prop size give fairly low rpm and high static pulling power...which newbies need...not explosive power. Throttling down is something a newbie can't manage as he/she is fully occupied with just keeping the airplane in the air. That's is at least my experience.