And the average block is still less than half full.
lol, there were full block all past days

I'm sure that you have a lot of altcoin little troll.
It was discussed since 2010. Not sure I see your point.
You are right, I was here, but it did return on scene with different discussions on the 2013.
The real problem is that if someone has a business plan that it depends by not solving a problem, it's easy that it will take a loooong time.