I still use a 2019 MBP and I can't work on just the laptop screen. My laptop screen usually has one fullscreen window at all times; tmux, or a browser window; a

I still use a 2019 MBP and I can't work on just the laptop screen. My laptop screen usually has one fullscreen window at all times; tmux, or a browser window; all the main work gets done on the big screen.