I laughed, especially since the term "trader" and "investor" is used that inflationary in cryptoland. I could be seriously wrong, but I wouldn't call what most do (search bitcointalk.org for shitcoins which promise the next moon and putting their pocket money in that) here exactly trading or investing.

While I generally agree and think that's a wise way of looking at things, you're missing one drawback: in the most projects, it isn't even possible to extract any significant gains on a 30% rise, because you cannot even sell a fraction of your coins without pushing the price down to what would be a loss.

It's gambling, in hopes of the next big thing. And that's okay.