They aren't scamming and they typically don't put Vlad's work in, but I think this is an important solution to transaction limits, a huge focus in blockchain. For example, a credit card company can process a huge number of transactions but with limited decentralization.
Ethereum will surpass bitcoin if they can successfully implement "sharded forks" to increase maximum transaction volume.
Ethereum develops and its capitalization is growing steadily,slowly moves to the first place