And LN is nothing new- it just allows people to transact ...cheaper and faster. Okay that's cool, but that's not a new goal; That's the original goal of Bitcoin

As for adding new functionalities into Bitcoin, the creator of Ethereum originally wanted to build Smart Contract on Bitcoin but was rebuffed by Bitcoin developers. Ditto for Zcash. Bitcoin developers don't have a good track record of incorporating new functionalities into the Bitcoin protocol...