Long terms forecasts are not reliable and holding a position rigidly without recognizing the changing environment would be foolish. That said, Ethereum is one of the most promising as well as performing blockchains in the cryptocurrency ecosystem, and being optimistic about it at the moment is not at all foolish. After all most cryptocurrencies like Shiba Inu operate on the Ethereum blockchain. At the moment, looking at current momentum, likely demand and a study of how Bitcoin price changed over the years, the aggregated forecast for 2030 is between $25k and $30k. This will change over time.