I'm interested in knowing why you think it failed scaling and evolving. SegWit and by extension LN, increased both scaling and was a significant evolution that enables sidechains and interchain transactions.
What became quite obvious was the "scare" with full blocks and expensive transactions was with all likelihood an attack with spam transactions and not an actual issue at this moment. See https://jochen-hoenicke.de/queue/#1,all for unconfirmed transactions and notice how it doesn't exactly line up with price increases where you would expect more activity. There seems to be some correlation with the entire BCH fork.
What became quite obvious was the "scare" with full blocks and expensive transactions was with all likelihood an attack with spam transactions and not an actual issue at this moment. See https://jochen-hoenicke.de/queue/#1,all for unconfirmed transactions and notice how it doesn't exactly line up with price increases where you would expect more activity. There seems to be some correlation with the entire BCH fork.