Restricted space => fee competition
More adoption+fee competition => expensive fees
Expensive fees => stalled adoption
Stalled adoption => declining interest
Declining interest => what are we even trying to do here?

This, however, is not a description of how bitcoin will fail but how bigger blocks are inevitable.

I suggest you go back and reread what Jorge wrote also. He describes well how the block size limit encourages attacks on Bitcoin

Also, it is not on developers to be setting up fee markets. It should be the realm of, well, the market.