Facebook behind a warning

[shortwavesurfer]

I was reading this forum post https://news.ycombinator.com/item?id=32117489, and this reddit thread https://reddit.com/comments/w0sffj when this commenter had a brilliant idea since facebook is attempting to bypass URL tracker stripping.
https://reddit.com/comments/w0sffj/comment/igj6c32?context=3