But by that same novelty of seeing a Spiderman movie for the first time in the big screen, tons of other people would've lined up to watch it in 3D as well. Its all relative.
Look at the huge disparity between All Critics and Top critics on RT.
All critics: 72% with a 6.1 average score
Top Critics: 40% with a 3.6 average score
I knew my 45% RT prediction would be too high but didn't know it could end up being extremely high.