Once again, a specious argument that detracts from your credibility. Let's follow the logic: if one hides something (or more accurately, is disinclined to do it in front of their children and grandchildren), then it must be because it is immoral and spawns guilt.
I do not go to the bathroom in front of my children. I do not shower in front of my children. I do not have sex in front of my children (even when I was married and the sex was "legitimate".) I do not pick my nose or fart or belch or pick my toes or my navel or do my taxes in front of my children.
There are certain activities that belong in the adult realm, or at least the private one. Privacy does not equate to guilt, although certainly guilt could be one reason for desiring privacy. But simple modesty may be another. Or respect for another's sensibilities.
YOU may feel guilty about porn or sex. But it is specious (and a conceit) to extend that sentiment to everyone else.
... that post is why as always... YOU are one of the best.
It reminds me of the 'good old days'.
be well jack.