I am just an amateur.
We have two eyes arranged horizontally. Landscape video o cinema is the natural thing to do. Vertical video sucks. It is not mandatory to shot vertical videos only because we all have smarphones and we don't know to handle them.
They have a new sample footage:https://youtu.be/mIAfxj7nd9k
Useful. Good video.
Besides, one realizes a good actor is the most important thing.
There is a free option: Audacity. It is very easy to remove noises with it.