I think decentralization is important. I think the benefits of it should be argued to get people to use Bitcoin, instead of crypto-enthusiasts trying to get people to use Bitcoin because it's "easier" or lower fees, which aren't always true.
If email didn't exist and people mainly used Facebook messages, I'd want to help agitate for something open and decentralized like email to become popular. It wouldn't be because I thought email was easier than Facebook messages. It's because there's benefits to the competition that comes from an open ecosystem.
Correct. That is the reason why most people don't need and will never need bitcoin.