AODE transmission kit family has a different front seal than the OE all rubber part, why the change?

Due the complaints throughout the industry of the front seal blow issue on this transmission family, SAP developed this metal clad, Viton rubber lip seal to ensure the highest quality product in the industry for our customers.

This seal is designed to fit the following units: AODE, 4R70W, 4R75E/W, E4OD, 4R100, 5R110W.