The biggest thing is that Paramount is seeing a growth in International markets with Star Trek Into Darkness. They won't do an about face now when those markets are showing an increased interest in this version of Trek.
Maybe they'll do an international theatrical release and make the US wait twelve months for the direct-to-DVD.
2) Yes, opinion... on this board and else where the jury is still out.
The survey in the grading thread seems to show that the jury has already agreed it was a success?