I agree with you on 'question 1', yes they will be happy because sales they normally don't get because of free trading points (such as eBay) will no longer be used. However if they are upset of losing some of their profits to the publisher and developers by selling used games they may give gamers a worse deal on trade ins to keep their profits up.
I doubt they will do the 2nd, although it would be the best solution for gamers, it would allow gamers to sell their games on places like eBay so no money would goto the publisher (aka MS) or the developer in question. But there is no reason why they couldn't do that. Part of the 24 check is to log your game collection, if you 'log a game out of your collection', then it would be able to stop you playing it.
Games with DRM has been suggested as long as costs are reduced, there are many though that would still prefer to buyt the expensive one as if you can trade it in for £20 cash after buying it for £40, yet the DRM filled version is still £30 and you can't trade it in, really it's £20 (no DRM) vs £30 (DRM).
This is my take anyway.
Hmm, pie.
