Earlier quoted context omitted.
> relies on > (...) > their datacenter > their website software This is a thing I find increasingly bewildering/disturbing about new hacks like that. Why do we route signals around the whole world to communicate two devices that are few meters apart? Also, having to go through third party's computer infrastructure sounds like a huge waste of resources. Bluetooth, NFC or WLANs are the tools we should be using.
(I think the traditional wording of the phrase is a tad harsh, but..) I think it is a case of "When you really love your hammer, everything looks like a nail."
How about If you're a carpenter, you tend to make things out of wood."
You can make a lot of stuff out of wood, if you're good. You need relatively few general purpose tools. It's not always the best, but in many cases it's good enough. The first Apple had a wooden body. Early cars too.