Difficult to provide any real value here. It should be expected that the co-creator of Ethereum will talk up the prospects of Ethereum’s price increasing substantially. This on its own, should not make your decision for you.

Do your research on Ethereum, what it has done and what its development team is doing to grow the coin and its community. Keep in mind that Ethereum has grown dramatically so far and so it can happen again but just because it happened before, it doesn’t mean it has to happen again. In conclusion, this article should not be your basis for investing in Ethereum.