Would be a reason to never implement this bloody and buggy patch.
But iirc it is in the EULA, somewhere I remember that they are allowed to change the software to what ever they please.
It's not a matter of law, but a matter of trust.
When that Dice dev said (paraphrasing) "we fought long for this, but we've now managed to convince [the boss] to allow us to remove the CD check", but then
doesn't say, "oh hey, we added SecuRom instead", that's a very deceptive thing to do.