It seems like it is a very hard slog being a core dev, requiring a great deal of patience. It seems to be hard to get across new ideas and can be difficult for new devs to get welcomed into contributing.

He mentioned a stat that "to get 3 billion people on Lightning tomorrow would fill the mempool up for 3 years."

I am not sure what to make of this. Maybe it will sort itself out over the longer term? Having a free-for-all on the codebase is not acceptable either.