IMO, spoetnik was correct about at least one point, which is that Monero was like a controlled delusion. See my and his prior posts for details.
They cleverly captured the desire to invest altruistically but they turned that into a Jim Jones cyanide koolaid Hotel California, where you can check in but you can never check out, because they convince you that all the other experimentation is useless.
Ethereum may or may not be a scam. Nevertheless I conceived of a decentralized DAO-like concept because of the failure of The DAO. That could end up being a very important concept, way more important than anonymity.
So I think it is wrong to not invest in those things you think will rise in price.
Nature is not a straight line. It is an imperfect zigzag annealing. No amount of perfect computation can know the future a priori perfectly.
See this:
https://bitcointalk.org/index.php?topic=1342065.msg15383820#msg15383820