People need to chill and just enjoy conversation.
@scuba was simply quoting a dev, and giving an opinion, one which I agree with. If something simple, like character tags, takes sign off from Lucasfilm; then I imaging the devs would aim for characters that would be easier to get approved. When there are so many characters from cannon who still aren't in the game, I personally see no reason for the devs to waste time and energy trying to get non-canon toons approved.
As for Scarif trooper, and other generic type toons... I imagine these are easier to get approved as well because they fill in as the standard make up of the galaxy. The alliance and empire had many soldiers who were never shown in the movies, and therefore these generic toons can be made to fill a need in the game without the rigors of defined character authenticity or representation.