"Turrets are too weak"
No, players got better at diving, sieging and strategy
"Games too short"
No, players got better at ending
"Muh late-game 15 minutes"
Players got better at farming and in general
Players got better at pressing advantages
"I hate change"
Oh too bad
After 8 years the game is fundamentally near-optimal in terms of player skill, even a new player can quickly become better than what people were doing a few years ago because of all the free information out on youtube.
Please keep complaining while the rest of us keep improving and enjoy learning the new pre-season