I can see how people will think this is great not having to go through security a second time at the next park they enter. I can also see how exciting it may be to see a backstage area as a Guest, but I absolutely hate it.
First of all, when visit a park, when are security checkpoint lines the longest...in the morning...which you still have to stand in line and go through. When you get ready to leave to park hop, I'm assuming most Guests will park hop between the hours of 1pm and 6pm. What do security lines look like then...usually very manageable. So my family of four will pay $60 (plus tax I'm assuming) just to bypass the security line that may take a maximum of 10 minutes. Not a terrible price, but certainly not a "value" if you ask me.
Second, this is not how the park were designed to be enjoyed. Walt and his team prided themselves on the carefully designed lead up as you entered the park. Bypassing the main entrance at these locations is BAD SHOW and I'm not really sure how this hits on Disney other 3 core principles either. Yes currently, Disney uses backstage access for VIP tours and parade/firework crowd control, but that can be justified to some extent even if I still hate it. This is purely a cash grab with no infrastructure set up currently to make it easily happen at the entrance to each park. It isn't how you were supposed to enter the park and if you are a Guest, especially a first time visitor or child, the magic is ruined. The awe-inspiring moment when you see the Tree of Life or Cinderella Castle or walking up to Spaceship Earth is gone just so you don't have to wait in a security line for 5 to 10mins a second time.