krashmoMake default programs support opening webp files and the problem goes away. Until that happens users have every reason to convert files from a format that is a pain in the ass to open.
Make default programs support JPEG XL and the problem goes away, too, all with less Google.
Naming a compression scheme “XL” seems like a bad choice.
Bad name choices abound among software creators. It’s almost a default behaviour, especially in smaller teams or single developer situations. Like the guy who made crap cleaner for for his own use; he’d later share it friends, by the time he released it to the public he was forced to rename it ccleaner, it is still going to this day as one of the most downloaded windows software. He could have just given it a decent name in the beginning - for free. There is also GIMP, whose name simply keeps it out of serious use, unless you already know it’s capabilities.