More Custom Game modes

So ALONG while back riot wanted to make a 1v1/2v2 map and they never did. which is fine because honestly not many people would play, but i think 2 years ago riot made a 1v1 draft mode for all-stars where each person gets 3 bans then it goes into blind pick then with the last 20 seconds left you see the other persons champ so you can pick your runes and masteries correctly and very recently they made a draft mode with 5 bans for lcs as you know

well my thought is is why haven't we got either game mode as a custom game mode option. now i could be wrong but you would have to do little to none server maintenance to get it running you would have to do very little work since you already made the game mode and it would help PR not that riot needs it but i feel like alot of people 1v1 with there friends for fun and if the 5 ban draft mode turns out to work it would help local tournaments and events