I am member of the group who "got the shaft" in the NPRM. Over 1000 TPIC and a turboprop type rating with lots of time flying cargo, no ATP required. I don't think the requirements are bad, at all. While I feel like it probably wouldn't take a year and a half to learn a new part 121 operation, it would take some time. Learning how to be good at your job is beneficial and might save your life later.