The PoC was welcomed by everyone in the crypto market in the start and it was expected that this will break monopoly of PoW but PoS is another algorithm that broke the expectations of PoC. Still Mass is doing a good job with PoC.
Nothing can compare itself with Bitcoin thats the reality whether you accept it or not. Yes PoC no doubt produced many good ideas and concept that can be used by new blockchains to enhance the performance of the blockchain. MASS is waiting for any big firm that can adopt its innovative idea and that will be moon shot for MASS.