[2020] Paradox Launcher consumes a lot of internet data

Probably best addressed to the launcher developers, here:

New launcher version : 2020.14

Launcher time again - This time the release is 2020.14 and it's a bit of a maintenance release as we are hammering away at some design changes in the background. Changes Improvements to renewal of authentication tokens - In short, you'll stay... forum.paradoxplaza.com
Good luck!