It's logged into the system. No shop will pass you unless you pull it off. They won't risk losing their inspection license and this is just the kind of thing the Mass RMV will to to test a station. Yes, they do have people running around, trying to get a station to pass a clearly failing car.
I'm going to guess that whoever put on the tint failed to recognize that the windows already have a small amount of tint in them.....so putting on 35 makes the reading 30.
Welcome to Mass. Feel lucky that they're able to easily find "Subaru" in their system. (Lotus is not in the "normal" car list)