I don't understand what you are saying here. The SIM technology is merely an authentication tool and was part of the early GSM specifications and is widely available at little to no cost. (This is to be contrasted with the CableCard authentication technology in CATV systems which is so extremely proprietary that you can't get a graphics card with CableCard input even for a standard Wintel PC and even if you are willing to pay a hefty royalty.) It is the cellular carriers who leverage SIM and similar technology to lock in customers to their network. Are you confusing open source with open access?

Yes, this is a necessary part of the cellular ecosystem which Nokia probably wishes away more than you or I (and certainly costs them more lost profits than you or I) but as a non-emotional corporate entity accepts as a commercial reality. Secondly, if you don't like SIM lock and similar UE-network lock-ins, I believe this is a reason to support Nokia rather than shun them. In the US, they have far and away the largest amount of non-subsidized device sales revenue (excluding pre-paid phones) and have been pushing non-carrier distribution networks. They have opened stand alone stores and pushed their non-subsidized N-series based primarily on competitive product superiority. No similar effort like this by Samsung or Motorola or SE and even Apple accepted a carrier lock-in. Some lower tier device OEMs (who have no hope of independently gaining market share) shamelessly suck at the carrier teat. The NIT and its support for SIP and VoIP is noteworthy as an attempted end around the cellular carrier toll booth.