You are right. It is rubbish.
But the fact is that there are many many MANY other that basically do the same.
I've seen users getting daily $100+ rewards for literaly saying the price of couple of coins every few hours.
No added value.
But then again, maybe that's just it. People are stupid we vote stupid things.
After all, most traffic on the Internet is not society-changing whitepapers about crypto, but rather cat videos and porn.
Meet humanity.