That's the nature of global competition, a "race to the bottom" for average jobs. Robots are also increasingly out-competing humans. This trend will not stop, so take it to heart and think hard about what you can do in the coming years.

Is it just me or is it exploitative

I can only do tasks that are 0.50 points, there are only 2 jobs with 50 tasks each, in order to get my bitcoin I have to make 180 points that's 360 tasks that take 3 min each

:-\