It doesn't seem very possible in the current structure. Nowadays, every project is working with its main net work and the dream of building the Blockchain network. Even Binance is working for that. They want to create a blockchain network which belongs completely them.
Yes you are right the each and every project will made- everything more harder to overcome the good value in this situation so I think each and every currency has its own way and no one will need any other support to develop in this situation.