"The market deciding" doesn't necessarily mean new entrants. I'd mostly worry that adding too many restrictions prevents existing airlines from coming up with

"The market deciding" doesn't necessarily mean new entrants. I'd mostly worry that adding too many restrictions prevents existing airlines from coming up with innovative programs & business models that benefit everyone by realigning incentives — getting to the gate earlier, checking even small bags rather than dragging a huge roller onboard and holding up the boarding process, etc. That said, these particular regulations don't seem particularly onerous.