[dotancohen]

Yes, but an e-fuse would not be the only way to lock the feature if Nvidia were to want to unlock it later.

[fransje26]

The point being that they knowingly went down the e-fuse route to make sure nobody could unlock it later.

They probably learnt their lesson in the early 2000s, when users could do a bit of soldering and apply a patch to unlock more performance on cards that had been artificially throttled.