Sorry but in my opinion you can't beat free styling with Excalidraw and a bunch of nerds leaning back in their own basements and home offices thinking deeply and being critical of ideas.

The overhead of having such meetings is next to nothing in remote compared to the office. No one has to get up to go to a meeting or book a meeting room.

Did you just have a eureka moment 5 minutes after a meeting ended? No problem! Ping the group chat and get on a call in less than 15 seconds while the idea is still hot in memory.

Oh you want to pick up where you last left off? No problem, upload last meetings Excalidraw file and start editing.