Yup that's how it is, i.e the drone will only accept your stop command if it considers it's in an emergency situation. We don't know what that exactly means, but probably stuff like hit an obstacle, lost a prop/motor/ESC, is upside down etc.
Tryp FPV is good these days with good physics and large maps to roam around in and details to play with, last I checked Liftoff and most others were still focusing on tight race courses.
There were no FPV simulators around when I started, let alone multicopters... started with planes and...
Just ignore, or center the throttle stick for a second and it'll likely go away. Been so for ever on the FPV drones with the throttle spring set for manual.
That's how it is, since the aircraft can't know the ground height the takeoff height is used.
On the Minis you can unlock up to 500m if you switch it from C0 class to C1 to deal with that, but that's not an option on the Neo.
No
What you can do is set up for flying with goggles then use the goggles' feature to share the screen to a phone. Give the goggles and look at the phone, knowing you may have a bit of lag/a less stable feed.
I get about 50Mbps in 4K30 and 35 in 1080p60. What Windows will say for the whole file isn't always reliable.
Underexposing is gonna make things more grainy.
Resolution is low anyway, 4K is basically no better than upscaled 1080.