$19 is only a couple minutes worth of engineering labour.
This is actually useful if you're running multiple servers on your network and don't want to remember the IPs of every single one of them. And not having to set up HTTPS for every single one of them is a plus.
If you don't take couple to mean literally two and instead use the colloquial definition of 'a handful', say 10, then you'll find there are many devs making $120 an hour.
Also you pay this once, this isn't some recurring charge every 10 minutes.
$19 is only a couple minutes worth of engineering labour.
This is actually useful if you're running multiple servers on your network and don't want to remember the IPs of every single one of them. And not having to set up HTTPS for every single one of them is a plus.