Best selling doesn't mean well selling. Someone is always the best selling in a market. It doesn't mean the market is anywhere at all.
VR might not even exist in 10 years. It's been hyped for 8-9 years now and user growth has been anaemic. Most headsets are shelfware.
Here is an article to read: https://mixed-news.com/en/quest-2-why-meta-isnt-talking-abou...
This isn't speculative nonsense - the usage problem is know across the industry.
Single digit millions of users is either early in the market or late... Either way no interference from a clueless regulator is required.