Maybe this is an attempt to force heavy A/C to operate in/out of Guarulhos (Cumbica) and Viracopos (Campinas).
Better start to train those tractor drivers on how to pull airplanes out of the gravel, because companies will continue to "push" the envelope and land at Congonhas.
Airline companies should bring back the Electras, they can operate on the "new" CGH 300m shorter with no problem.