There's really only two outcomes without a higher or removed max block size: stagnation or network congestion failure.
Like you don't need a gun to kill an ant, you don't need bitcoin to buy your damned coffee. Bitcoin is for gentlemen's transactions. Capisc?
Gentrification of Bitcoin is unnecessary. Bitcoin is just fine for proletariat consumption as it already has a tainted reputation. The rich are surely able to create their own cryptocurrency for such pursuits, are they not? After all, they are the creators of wealth.