That's quite a far flung theory. One reason highly its unlikely is because Blockstream and core devs want to scale bitcoin in the exact opposite way that Satoshi recommended.
This is wrong in every way. Payment channels was Satoshi's idea, and it was implemented in Bitcoin 0.1. Unfortunately it didn't work as well as designed, and was insecure due to bugs. Some of the problems were fixed in the previous soft fork (BIP 68), and Segwit resolves the remaining bugs. In addition to that many developers, both core developers and other people, have extended on Satoshi's ideas for payment channels by connecting them in a network.
Look it up.
Btw, Satoshi warned against miner centralization back in 2010. He asked people not to mine with GPUs, since he had intended to distribute the mining power. How do you think he would have responded to ASICs and CVE-2017-9230? By handing more power over to the miners?