"It will be abused!"

This is the dumbest argument I have ever heard for not making a game better for the majority of players. its not League exclusive, its a common argument on many forums for not adding beneficial features. But in my short time on these forums, i have seen it too many times. This feeling is stemming mostly from all the threads about not giving as severe of punishments to teams who get afks and to reporting players in the pre game lobby. I have my own opinions on both these matters, but what bugs me most is when people's knee jerk response is "Nope, we can not even consider such an idea because if it is done wrong, it can be abused". Riot is a professional company. They would not mess something this big up. They would account for exploits, and fill those gaps. The most common one against afk punishment reductions is "Duos can exploit the system!". Well here is an easy solution: make it so that if it is your duo partner who goes afk, you don't get a reduction, but all the random strangers on your team do. Or for the pre game report function: "People would use it to avoid games with bad matchups!". Good luck convincing a whole team to kick someone just because of an unfortunate matchup. Or how about it being just like the current after game report system, where if you abuse it, your reports don't even matter.

TLDR: "It will be abused!" is not a valid excuse not to discuss features that could drastically improve the league experience. It is a short sighted excuse to shoot down perfectly fine ideas.