They are going to limit it to USB 2.0 speeds so in 3 or 4 years they can declare some new magical advancement and bump it up to full 3.0 speeds.

Apple purposefully limits things so that they have something to announce in the future. They aren't dumb. They know the advancements in smartphones has been starting to slow down. So they meter out the advances over many years in incremental updates to give their customers a reason to upgrade.

You will hear something like this from every reviewer after an Apple event: "The changes were small, but taken together the new insert product name here might be well worth the upgrade price."