I never spoke of removing existing horse archers, whom are in the vein of Mongol and Turk horse archers. I argued against creating a system within the the combat engine for dismounting of infantry or archers within the field of battle.
My apologies, I think I just misunderstood you. Yes, I agree. But I didn't expect that sort of change anyway; more just modifying the effectiveness of a longbow + horse to simulate any of the following:
1) It's a long bow specifically designed for use on Horseback (like Japan) where it loses draw power
2) It's a european longbow style, which is just damn hard to use on horseback (though not technically impossible, just not all that useful)
3) They act as dragoons; so they don't really get as much of a defensive benefit versus a short bow who can stay mounted, or cavalry who can stay mounted. In the current system, I imagine that's like reducing the defensive bonus. With the proposed changes that may factor in range, they could just get into range sooner -- maybe not a good use of horses, because they're more likely to be lost and don't provide much of a defense boost for the longbowmen, who are going to be the first to get into range anyway. I wasn't expecting ACTUAL mechanics for mounting and dismounting... That'd be super difficult to implement. Just something loosely abstracting it.
Appropriately weakening mounted longbowmen really could fit into abstracting any of these cases. I'd definitely like to see mounted longbowmen generally inferior than most other options, but maybe someone will find a place for them.
I hope that clarifies my view, and I'm sorry for misunderstanding you.