Could tethering be coming to iPad under iOS 4.2?

iOS 4.2 beta 2 for iPad, when used on some European carriers, is popping up Internet Tethering settings similar to those on iPhone. Since it's not showing up everywhere, and certainly not in the US, could this mean only certain geographies will be getting the feature, or is it just some accident in the firmware or carrier file update that's causing it?
Either way, it does show the panel is built into iPad, so why isn't it already there and for everyone, like on iPhone? We pay for the bits, we should be able to use them when, where, and how we see fit. (And we should be able to tether iPad to iPhone -- just like BlackBerry's doing with the PlayBook -- but that's rant for another day).
Apple should just flip the switch and turn it on and let the carriers scurry around in the harsh light of day and explain to us, their customers, why it should be blocked. (And no, paying an extra $20 a month to share a $30 data plan -- $50 total -- is not a viable option, carriers).
For more on Apple's latest iPad software beta, see our complete iOS 4.2 walkthrough.
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Rene Ritchie is one of the most respected Apple analysts in the business, reaching a combined audience of over 40 million readers a month. His YouTube channel, Vector, has over 90 thousand subscribers and 14 million views and his podcasts, including Debug, have been downloaded over 20 million times. He also regularly co-hosts MacBreak Weekly for the TWiT network and co-hosted CES Live! and Talk Mobile. Based in Montreal, Rene is a former director of product marketing, web developer, and graphic designer. He's authored several books and appeared on numerous television and radio segments to discuss Apple and the technology industry. When not working, he likes to cook, grapple, and spend time with his friends and family.