Any mid/short term trading is a sort of game. You bet and either you win or lose. Algo is just a tool to optimize this process; it helps to estimate your bets and risks, which is not possible with a manual trading.
Yep, no doubt that there are lucky (clever) guys who bought bitcoins just in time. I'm talking about present time, when there is millions of new crypto appearing everyday and bitcoin is moving there and back - I mean there is no place for analysis or strategies, right? Just buying and hoping to...