Ive been in some "mixed" sessions lately where some are remote and some are in person and its the worst case scenario. I feel like a second class citizen when someone points a grainy laptop camera at a whiteboard they are drawing on. The second I can't grab a marker and contribute, I just lost my full ability to participate.

Fully remote works great - there are plenty of awesome collaboration tools (Miro for example) where you can collaborate. Fully in-person obviously works as well.

But with hybrid, someone always loses - either the folks in the room or the folks on the screen.