That's what everyone was saying about bitcoin when it was $10. Admittedly times are different, but ethereum is strong in many areas. When you look down the list of "coins" and you know enough to know, where are you going to park your money? Dogecoin? Monero? Even bitcoin looks dodgy these days. No, ethereum is looking more and more like the futureproof safe bet.
Bitcoin was the first and that shit isn't going to happen anytime soon regardless of how many people trying to chase that gold rush.
And Ethereum is anything but futureproof. It's a super new and super hyped coin in its honey-moon stage. It's pure gambling at this point.
Dogecoin, Monero? You're not forced to pick shitty altcoins to sink your money into. And bitcoin is really not dodgy at all (to me at least); block halving is on the way and it continues to gain momentum everyday regardless of the unnecessary block size drama. Sure some alts are doing one or two things better than bitcoin but it's nowhere near enough to break out of bitcoin's shadow and I don't think any of the current alts will ever break out of it. And it's entirely possible we'll remember bitcoin being at $380 the same as we do now thinking about when it was $10.