>>280920208
The reason AAA games have stagnated in the past decade is that the higher visual fidelity and interaction detail require more people to work on the game. Salaries are the primary (or only) cost of game development, so more employees means a really advanced game needs to be spread across a proportionately larger audience.
VR games sell like text based adventure games in 1992, and can only support small teams working with little overhead. It's a wonder that the big engines have made it as easy as it is, otherwise VR would be entirely dead in the water.