yes ... acrtag flag is being applied by default now ... so if the dev/publisher doesn't specifically disable it (or rather "enable") - the game is region-locked
I think this warrants a new thread title in remembrance of our fallen friend.
Lots of interesting stuff over at the GoG stream. They're planning on adding multiplayer support for classic titles to Galaxy and to stress test this they will be giving away a "new classic title" starting tomorrow.