Masternode advertising, Roi is the approach to good investors. When other minters sell masternode and hug their money away, they lose investor confidence.
That is not the point in SubiNode's. The main focus is the underlying technology that allows us to create decentralized applications and have an on chain consensus.
Passive income is a bonus, but we are not going to sell it as a cash grab or a get rich quick scheme unlike 95% of others do.
Well, most of the PoS coin developer say that because they are wanted to increase their users and choosing a good word to define what platform it is.