I see it as one of the big failings of USB standards in recent years. USB used to be simple, and they worked so hard to make it so that whatever plug could be

I see it as one of the big failings of USB standards in recent years. USB used to be simple, and they worked so hard to make it so that whatever plug could be plugged into whatever compatible socket. Then we had USB on-the-go, and issues with then a micro-A port isn't just a micro-A port. And now we have USB-C and Thunderbolt. Ugh.