Allow ALL extensions and plugins to remain logged in.
I use premiere extensions/plugins every day such as Frame.io, Motion Array, and Red Giant. Every time I exit premiere, I have to re-login to all of these extensions, which becomes super tedious and annoying. Especially since Motion Array and Red Giant puts a giant red X on top of your footage if you're not logged in. If my video is 10+ minutes long, i'm not going to know if a tiny transition from Motion Array was logged in. So my final export has a red X every time that transition or effect is not logged in. It's just an extra step that should not be a thing. I understand some people might want the security but at least give us the choice to choose if it remains logged in or not.
In short, I should only have to worry about Premiere starting up and that's it. Ready to go in one click. I should not have to go through a list of steps every single time I open Premiere.

We understand the frustration.
PPro caching login info for other company’s products would be a security violation. Your logins to their services are distinct from your Creative Cloud login/license, and outside Adobe’s control.
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Joe D commented
Thank you for the quick response! This makes total sense. I appreciate the clarification on this.