To add to what you are saying:
1.During the .com bubble everyone was jumping on the web bandwagon. Every company wanted to say they had a website or had something to do with the world wide web to make their stock price go up. I think that something like this will also happen crypto.
If you have been to any country you know that there is X% of your payment that goes towards paying the middle man, slippage, and corruption. This would be less due to the mechanics of smart contracts.
Decentralization sounds a lot like more freedom.