Yes, it is true.
It is very difficult to hide posts.

Rewards is the whole point, iyam.

Having my data on the chain gives the chain 'value'.
Only crapitalism says that I should be grateful for making somebody else rich.

At least here we get a chance to argue about the value of our contributions.
All those other platforms just keep the money the c_a pays them for getting us to give up our data 'for free'.