I'm pretty sure that just like the wifi hotspot feature the phone itself has to have hardware to support it.
The "wifi hotspot" feature, or lack-thereof on the Droid 1 is a complete and utter lie.
you can obviously root your phone and install wifi hotspot software on the Droid 1 and it works perfectly fine..
I bet it has more to do with them wanting to promote these features on newer devices.. Besides, most SoC devices have FM tuners but are disabled.
Look at the iPhone 3G, 3GS and 4.. a breakdown of specs show they all have FM tuners, just disabled.
The original Blackberry Storm 1, also a SoC, has WIFI.. but disabled.
The Droid 1 uses a TI WL1271 chip, which include WIFI-N, Bluetooth, GPS, AND FM tuner.
It's just not enabled. =(
If you go here,
http://focus.ti.com/general/docs/wtbu/wtbuproductcontent.tsp?contentId=29993&navigationId=12762&templateId=6123
you'll see,
WL1271 802.11 b/g/n
WL1273 802.11 a/b/g/n
Note: Both solutions support Bluetooth specification v2.1 + EDR and
FM transmit and receive.