There has to be enough demand to make it good enough, and it has to be good enough for there to be enough demand.

As it gets better in each generation, there will be increased incentive and competition to make the hardware even better, in a nice virtuous cycle. As demand grows, there will be ever more VR titles for every niche, helping the growth further.

Personally I have high hopes for Quest 3 in 2023 and Quest 4 in 2025 (?) each being a big multiplier (1.5-2x?) for adoption.