Morey is a good GM, but he made a few bad decisions this summer. Most of all, i think he outsmarted himself by using team option on Parsons to avoid him becoming an un-restricted FA in 2015. Once the Mavs made that offer, they were on the clock to match and with free agency being on hold until Lebron and Melo decided what they wanted to do, the Rockets basically ended up as spectators.
The Lin deal was awfull as well and honestly, so was the Asik deal. If either one of those guys failed a physical they wouldn't have been able to do the Bosh deal.
Hindsight is always 20-20 and i do think Morey had to take a risk w/ regards to getting Bosh, but IMO they should have kept things a bit more simple from the get-go. I would have flipped Asik for Millsap and kept Parsons on his current salary. Had they done that, they'd have a much improved and balanced team next season and they'd have plenty of opportunity to make additional moves and add depth.
Morey handled the Lin jersey situation wrong as well.