We must address the timing. Mount & Blade II: Bannerlord entered Early Access in March 2020. By 2021, it had received major updates (e.g., e1.5.9). Why were people still making Warband campaign mods?
The answer is twofold:
Thus, 2021 became a "silver age" for Warband multiplayer campaign mods—a twilight renaissance before the eventual (and still ongoing) migration to Bannerlord. mount and blade warband multiplayer campaign mod 2021
2021 was unique because the player base had refined the metagame. This wasn't just deathmatch anymore. We must address the timing