You can only make so many gains trading before you will end up losing. There isn't any exchange which you can make unlimited trades. They only have so much Fiat available to play with. In terms of exponential, well that's just completely unrealistic dot-dot-dot because you can expect to always profit, let alone make exponential gains.
It is acceptable how it wasn't easy but people had never lost their hopes towards crypto brag them to do trading and never quits. It sounds unrealistic to think of making exponential gains but it (can) be possible if we are the bullish season and of course, if we have in the right choice of coin.
The market remains very challenging especially of the current situation and yet, a lot of people suffered losses rather than of having gains. But I think this is not the reason why we lost our faith and trust, it soon the market will bounce back that's should we have to put in our mind...