See, I know its a confusing message.
They are and they arent. There are ups and downs. If you are worried about performance, and dont NEED the noise, its best to just stick with stock.
It all comes down to
What are you looking to do? Like how much boost, what kind of setup
What are you looking for? Noise?
DID YOU BUY A QUALITY VALVE?
DID YOU ADJUST IT PROPERLY?
Its not that they are "fine" its that they are nowhere near as bad as people like to make them out to be. And that 99% of the time when someone is making them out to be bad, they are making statements that just arent true, and ignoring the larger problem of leaks.
rich wont hurt you. its a split second and its not that rich. LEAKS will hurt you. Less power, and can kill the turbo over time.