There is no single format that is demonstrably better than another. However there are factors which will determine whether it is better FOR YOU.
If you are trying to earn an income playing poker, slower games can lower your hourly rate, which lowers your overall wages.
That said, Turbo and hyper-turbo put pressure on the nits and those people without something additional to bring to the game.
In the end, you still have to navigate your way through a large filed, against some strong players and against some weak folk you simply can't raise off top pair. You have to bring your best game, and be willing to adjust. It is the adjustments where the game is won and lost. Your basic strategy can get you to the final table, but the opponent-specific adjustments are what brings the stacks in front of you.