But this calculator doesn't count the increase of difficulty, and it's the crucial thing for ROI. 1y of ROI is fine, but with ASIC you find it to be more like 2+ years.
Well a sane person would look at these numbers and just invest in the coins and call it a day... But I have never been accused of being sane so I am covered...
If there is any hope of this playing out in favor of the miner it will be a long game now. It probably does make more sense to just sink the money into the coins and hold it, but what fun would that be? Miss out on the daily mining drama? LOL