Originally Posted by Skycap876

Because large attrition at the regional is figuratively a shot in the foot for
Legacy Carriers. The regionals are having a more difficult time recruiting than the majors. If there is a lot of attrition for instance at SkyWest/United Express to United, United is doing itself a disservice by imposing high turnover and staffing issues amongst its regional partners that serve United's very product.

The shortage will never be at the upper echelon of the industry such as United FedEx American etc.