I do not believe in the term bubble to mean one big rise, and then pop it is all over. There are many recognized bubbles in traditional markets. The real estate is one, and I am even investing a small amount into a real estate project (blockchain but also real life) so that is two bubbles together I guess. There is nothing wrong with a market that goes up and bursts, and then goes back up again for a new bubble. When did bubbles suddenly become a bad thing?
It could be too because as we noticed now and then,bitcoin has been giving us opportunities in crypto world. It is between life and money using technology that part of our daily lives. In other words, there is a tendency that the admin or the owner may take it out from the connection of ours. Also,ETH and BTC are big investments in cryptocurrency which creating a big name. Nonetheless,they can be still called bubble if ever they won't survive in the future. Hopefully this won't happen to both of them.