On my opinion, of course, waves is only a temporary solution. Ethereum is much more powerful than waves. The applications that can be built on ether vastly outperforms those on waves. And there are lot's of other differents, which made ETH the better one.
True, in altcoin the ethereum is best coin which can compete to the bitcoin. When the time that all atlcoin is dumping the bitcoin is choice of other to earn profit and now in altcoin the best improved coin is the ethereum and waves price are not to too much recovered from the past price.