In any case, modability does more than just benefit the people who download mods.
Modability makes it easier to build scenarios. Everyone who purchased BTS got a bunch of them.
Player modability let people write things like the Ffh scenario in BTS, which shipped to players.
Player modability lets Firaxis let us find and fix bugs, and then take our code (as specified in the license we use when we modify the code!) and give it to everyone else in the form of patches.
Modability makes it easier to build scenarios. Everyone who purchased BTS got a bunch of them.
Player modability let people write things like the Ffh scenario in BTS, which shipped to players.
Player modability lets Firaxis let us find and fix bugs, and then take our code (as specified in the license we use when we modify the code!) and give it to everyone else in the form of patches.