It's pretty common in Asia to have a mix of random sockets all around the house. Sometimes US and European sockets on the same wall. So i suspect the universal socket would be easier to get installed there.

But IIRC the wonpro sockets are pretty pricey too. I tried to get a power strip of them for the office and they were like $30 or more. Obviously we could afford one but it didn't make sense to bother since we could just keep getting adapters for less.