This wouldn't be the first time Verizon debuted a new version of Android. They were the first to debut Android 2.0 and 3.0.
Another thing I stand corrected on. forgive I came to android in June so didn't really know much about it till then... It was the first then the Milestone but the Nexus1 came first with what we know to be the Eclair of today 2.1 then Froyo then 2.3 with the NS so even though they were first at that time in 09, Google has had there new updated OS on their phone first. And from what it remember reading , the Nexus1 was suppose to come out way before it did. So maybe they didnt want to delay Moto and verizons release and allowed them to come out with 2.0 then update that to 2.0 with new changes and release it on the N1..