In what way? Almost every other major language has them without major issues.

Go devs saying generics are a bad thing reminds me of people in Oregon freaking out over being allowed to pump their own gas while the other 49 states have been doing that for decades.

Is it a worse programming experience to understand an esoteric library's use of [T U], or to need to choose between codegen vs interface{} for the most common use cases? The ability to misuse a feature should not be understated, but I think people have been jumping over the missing stair of interface{} for so long that they've forgotten how much of an incredible pain it is.