Many users including me have found the old way of how the right stick is handled bad.
It made many people feel nauseous.
Due to that fact and that it does not feel to intuitive to new players, we have chosen to set the defaults like they are and will not change them. Those new users saying that to you are likely already in the VR scene for a long time and know how those things act. For new players, this is a no go.
To make players able to decide themselves, we made it an option. But the default will remain what it is now.
