That's a bastardization of the headline and inaccurate.

Do a little substitution over there... and here... and away you go!

No Evidence that you have been employed without killing my pet Liger

Proving a negative, is possible. It's relatively difficult and uncommonly done.

https://www.edge.org/response-detail/27130

“Fracking cannot operate without harming public health” would be a more interesting and precise title.

I’m not sure that is what the article can confidently assert.

No Evidence That Headlines Will Never Not Be Accurate