Like I said, we're incredibly sheltered and privileged here in India and your lack of exposure to crypto transactions prove this (assuming you're from India). Especially with the push towards digital payments in recent years, we have never needed an alternative form of payment. Even in a place like the US, would you believe there's absolutely nothing like the UPI system there? You simply cannot make personal digital payments without some private institution taking some fee or the other. Canada has something, but not the US.
The clearest example is Venezuela. Their entire fiat system has collapsed and the consumer economy runs on crypto. But I've not been there, and right now I'm not willing to share my travel history to explain a point.
Take a look at countries that don't have Paypal. People there earn online through crypto. Before the lockdown I was an advisor for an instagram business, and we had customers from Myanmar, Bangladesh, Sri Lanka, Nepal — they couldn't use Paypal (either because it wasn't available or the sign up process needed governmental approval), so they paid in crypto. They had no access to a banking system that allowed them to send payments abroad or even receive them. They would earn in crypto online and spend in crypto. Same with the Caribbean, Central America and South America. People there don't have the luxuries we do with UPI and NEFT and Mobile Banking.
Granted all of these solutions for crypto arose out of necessity. The main intention for crypto was decentralization and anonymity. No government or bank should know how much money I have and that no corporation should know who I'm making payments to and how much and how often. My wealth is my own and no one has any right to it. This was the founding principle of Bitcoin.
All of the domains I own and websites I host, I'm paying in crypto. Services like Purse.io allow you to purchase from Amazon US, at a discount, using crypto. Even with package forwarding services from the US to India, those places accept crypto. Why should a US shipping company have my financial information when they themselves are subject to US law and I am not?
Just because something has no value to you personally, doesn't mean there's no value in it for the rest of the world.