By the way, I would like to add that smart contracts are very convenient. In confirmation of this - platform Ethereum. Moreover, it is for the mined even blocks of Ethereum that miner Even gets rewarded. In my opinion, this is the most reasonable way to extract coins.
from this point of view - yes. However, developers have several other goals. This is, firstly, the financing of interesting and original start-ups, and secondly, a new concept that provides honest interaction between all parts of the platform.