At least they did it great. Only ONE guest character and he is from anothert Japanese FIGHTING GAME. This is how you do guest characters without annoying the fans, NRS. Take some notes.
No.
This is fucking worse and if you think otherwise you're delusional.
Akuma has been forcibly shoved into Tekkens lore whether the fans like it or not, unlike NRS's DLC guests which are purely non-canon. Imagine if Leatherface was in MK's story officially and was part of something as important as killing Subzero(much like Akuma is supposed to for Heihachi).
Akuma is in the initial roster, meaning if you don't like Akuma you don't have the choice to not buy him or see him, unlike NRS's DLC guests. If you want to play Tekken 7 YOU ARE FORCED to get Akuma as well.
Think about this as a person who may not like Akuma, may not know about Akuma, or may not like Street Fighter. Just like you dislike Leatherface/Predator/Jason or whoever. Imagine if your favorite MK character that was in the initial roster of MKX was instead replaced by Jason. Now do the same with Tekken and replace that character with Akuma.
There is only ONE guest right now, this game hasn't even been given a console release date yet, for all you know there could be 5 more guest coming.
All of this said, I love Akuma so i'm not mad in the slightest.