Hearn was hardly arguing to tear it all up and start all over, merely to increase an arbitrarily decided limit. Regardless of whether you think that is a good idea or not, it would not be a huge change and if anything qualifies as that, it's LN which is trying to take on the heavy lifting of a decentralized payment network. The irony, of course, is that if it is successful, it will need the changes that Hearn was advocating for anyway.