Suggestion: Remove Towers
At this point they seem like a pointless hindrance and go against Riot's new philosophy of encouraging quick and decisive games. Some newer players might be fooled into thinking that towers are actually something important that need to be defended, but they don't realize that with objectives on both sides of the map it's impossible to defend and contest every objective and no matter what you do you're always leaving something important open to be taken. As a result, it's usually pointless to defend those paper-mache sticks in the ground.
I say we remove towers and instead implement a force field around the bases. Once a team reaches a three kill lead, the forcefield is removed from the opposing team's base, exposing the fragile inhibitors. This would remove most of the pointless tedium preventing winning teams from closing out their games, while doing very little to actually change the way the game currently plays out.