Originally Posted by Boredflyguy

Substantiated rumor: This rumor has been confirmed by multiple sources at Delta, SkyWest, and other mainline carriers. Chip and Co are allegedly pressuring mainline carriers to stop hiring from OO in order to get more people to upgrade. If you have OO on your resume past or present, a hiring freeze has been implemented at Delta (at least) to stem the flow of pilots leaving for LCC/ULCC to get to Delta specifically, but also United, American, and Southwest.