My 2 cents:
Yeah, it's a recurring question/comment/complaint but, it recurs in nearly every harem AVN out there. In some it may be somewhat justified but, mostly not. Definitely not here and you can bet your ass that anyone getting too insistent, abrasive, ignorant about it is going to get shouted down in a hurry.
An OP disclaimer saying, "There are a lot of hot women that MC will have intimate relations with but, only some of them will make the harem", could be helpful as something you and the regulars can point to rather than engaging in the same conversation ad infinitum, ad nauseum. Will it reduce the number of those type comments? Maybe. By a significant amount? Likely not.
The bottom line is this: LRH is one of the top AVN's out there and still getting better. 90% of the folks that try it; love it. The other 10% can, should and will (eventually) just go away.
Jus' Sayin'