In fact if you bought BTC with what you paid for your miner, you would be much better off, except everyone seems to ignore this.
And folks that say this over and over always ignore the bigger elephant which is what is your target sell price?
So, right now, say how much BTC you will buy today and how high you will wait to sell. I don't remember anyone saying they were buying $14000 worth of BTC in June and holding until they were $800 each
What matters is how much more $$$ you end up with. If you end up with more $$$ after only mining 60-80% of your BTC back since you end up selling at a later time than if you just bought btc and then had your weak hands shook, and only gained half of what you would of if you bought miners and mined..
talk about that side of reality.. the human element
so in summary, the people who keep repeating this dogma of just buy btc instead of mining are the people that don't want anyone else to mine... game theory 101