Originally Posted by
Caradoc
Without modifiers, "quality" almost always has a positive connotation:
"A man of quality."
"Spend some quality time with the kids."
...et cetera.
Such usage doesn't make any sense when commenting on the TSA, so I was wondering where you had seen "quality" in a blue-shirt. I haven't.
If I hand you a diamond you can observe the qualities of that item. They may be good or bad.