I haven't thought about that yet, but if many believe that ethereum or EOS, the next bitcoin will certainly take longer or years if they want to replace bitcoin. try to see, the price comparison is still far away, so for now don't ever compare it with bitcoin. without bitcoin, altcoin is nothing.
no one can predict the development of any crypto currency because it has become the nature and risk of crypto currencies and with the risk of crypto currencies we cannot predict that confidence and patience are the main capital in investment