To clarify, I don’t think any of those are serious issues with Monero. The short answer is that due to Monero’s preferred tradeoffs, it can’t really hope to become money for the world.
Discussion
Global money?...
Are you seriously thinking that Bitcoin will become global money?
I don't care about "global money" status.
Today, I already buy more goods and services with XMR than with BTC:
1) xmrbazaar.com
2) monerica.com
For me, it's already "global money."