No. I don't see the invention of a new store of value, that space belongs to #Bitcoin. We won't get a second chance. 

Still in development, I see the technology of how we exchange this value with each other as efficiently as possible. 
#Lightning is cool, but as you described, it also has its pitfalls. At least still today.

There are a lot of clever minds around here and they will find ways that we haven't thought of yet.