Spoiler alert: the [edit: real, not stated] reason is because they bought it for the review, and the 14-day return period is expiring.

Dropping $3500+tax off the production budget and double-dipping for a second video/thinkpiece? That's irresistible for a content creator. So now we're getting a spike in "Vision Pro return" memes.

Most people naturally tend to emulate popular trends. They'll never say that's the reason, of course.

There's also just a classic thundering herd effect. There was a big spike as people tried it out, so there's a spike in returns on a ~2 week lag.