> While there are others which claim there may be a weak link but still inconclusive

You say that but then link to a broad meta study that is conclusive that no strong relationship exists .. ie. there's no signal, just noise.

    Recent Findings: Twenty-eight studies directly related to the issue were identified, and another 23 studies were used as supporting material

    Summary: Claims of a strong relationship between pornography use and sexual dysfunction are generally unfounded, both by the findings of studies and/or by misinterpretations of them.