It has never been, is not, and will never be, different. Instead of paying fees to TSA SFO pays slightly more to the contractor doing the job. It's the same. Same rules, same procedure, same equipment. Same, same, same. The only difference is the patches on the shirts.
Everyone in here has cultural amnesia about air travel in the 90s.
The current system is TEN BILLION TIMES better than post-lockerbie.