See Dmitri, he argues lots better than you and I combined. I agree with him about how he used your own argument to refute what you've argued about. Exactly why would it hurt someone from becoming a good player? If they can't adapt, then they probably won't become one.
That's 2 more points for Pioneer54 in the current tallying.
(kaŝi) Se vi volas ludi kontraŭ ludanto de simila nivelo, vi povas difini intervalon de BKR ĉe invito al nova ludo. Tiukaze neniu kun BKR ekster tiu intervalo povos vidi/akcepti ĝin, (Katechka) (Montri ĉiujn konsilojn)