Thats complete nonsense. The cost of mining BTC alone and the investment of big miners is enough to keep the price way above those limits as they themselves  would just start buying it just to keep the prices high using their huge amounts of capital earned over the years.

We are probably already hit rock bottom since prices are stable for months and a reversal in market psychology leading to another boom is coming. Just look at the advancements in the sector its almost only positive news everyday for over a year now.