From the article: "About half a year ago I started taking psychedelic drugs fairly regularly. Partially because they were fun, but also because I could see how they benefited me therapeutically. When I heard that meditation could produce similar effects, I found a ten day intense silent meditation course I could join in Italy." Huey Lewis & the News: "I want a new drug One that won't make me sick One that won't make…
Going on a surf vacation for 10 days isn't going to have nearly as big of an impact as something like this in this dimension. You may a get a lot better at surfing really quickly, and meet some friends. Which is great!
If you don't think meditation is for your, fine, don't do it. But don't downplay people's experience by imposing your own limited world view on it.
EDIT: My intention is not be dismissive of surfing as an activity. I would be surprised though if OP went on a 10 day surfing retreat and wrote a similar article to the one we are reading now.