I’d say continue to use Wise now. No reason to switch UNLESS you get faster transaction, lower fee, less risk, and it’s more practical to do a crypto transfer. I believe if you join the novi beta today this might be the case if you want to send $$ to Guatemala. For the rest of the world: Early days my friend.
How often they need to? How often average person actual does that? Maybe there just isn't that big of an market there outside things like web payments. Or a market that doesn't involve complexities of dealing with money...
Just because you ~never do, doesn't mean there's no market. In this case, there's a huge market for remittances, on the order of hundreds of billion (USD) in 2020 for the industry globally. Every immigrant with family back home is saving local currency and sending as much as they can back home because of the difference in exchange rate. The incumbent players aren't very good, having been created before the Internet. Western Union is still a choice in this area, though it's worth noting that they did close down their telegram service in 2006. Whether cryptocurrencies are competitive in this area depends on if theres a way locally to get local cash for crypto. In countries where this illegal, it's a bit harder to do so, and the old ways are still the best, depending on how high the service fees are.