I think that there should be an option in the settings to choose whether you’d prefer to be high ready/low ready and the key binds should be similar to ready or not where you could just hit one key to get into high/low ready rather than using the scroll wheel like GB.
Also opening doors should be similar RoN where you could just hit F on the handle to peek/open doors and in the centre of the door where could just kick it in.
The doors especially need to be changed in this game