It's mind boggling, but commonly seen here. Bought Jupiter for 60 BTC. Mined 10. Sold for 15. Sum = -35 BTC. Profit!
Exactly. But they will claim its a dollar investment that returns dollar, without acknowledging their ROI is almost 100% dependent on bitcoin exchange rate, just like a direct investment in bitcoin which has been infinitely more profitable. Maybe if BTC exchange rate crashes they will get it?