Well, that's you saying that you don't understand why people have concerns against DRM, and if you really have read the thread, but still question it, then it might be difficult to make you understand.
I usually think that people should follow the discussion and read the arguments instead of just jumping in, but a little help here:
1. Quoting myself about general concerns about Denuvo, from other titles implementing it.
http://www.neogaf.com/forum/showthread.php?p=247304620#post247304620
2. They have given people the impression, not sure if true or not, that the two weeks delay of the PC version was because of a last minute decision to implement the DRM.
3. They release the game without the Steam store page informing the customer about the useage of Denuvo. It wasn't there for preorder customers, and it wasn't there for day 1 purchasers.
4. They seem to have managed to implement it in such a way that the game became always online. If not completely always online, it at the least caused issues for people running the game.
So it became quite the fuckup for them, for so many reasons. Even if you don't mind the DRM itself, you shouldn't think it's okay to release the game with it like this.