I think most people could break it in, but are reluctant to keep playing or play again once they feel sick doing it.
The article author reports trying twice: first a rollercoaster, and then a racing game. Then cites a study about people getting sick in their first 15 minutes of use.
I think you’re right, but some people just aren’t going to give it another try. I think this tech is likely to be one of those big generational dividers that old people just won’t tolerate (like computers or cell phones, or the thousands of prior things).