Can you share links to these articles please?
What's your rationale for the bubble? Just saying so doesn't do much to make the rest of us understand or believe you.
A lot of people don't understand what Ethereum is offering. Ether isn't a monetary currency, it's a processing power currency. Anyone comparing Ethereum to Bitcoin as two different versions of the same type of currency doesn't understand what Ethereum is.
Read their website, it's really informative: https://www.ethereum.org/