Our balancer registry is [case insensitive](https://github.com/grpc/grpc-go/blob/3cccf6a43b55b4a089e832213b0e34df859e1978/balancer/balancer.go#L54). Other languages use case sensitive registries, and we should try to be consistent with them.
Our balancer registry is case insensitive.
Other languages use case sensitive registries, and we should try to be consistent with them.