[coldtea]

Lots of things (a) exist, and (b) appear to provide sufficient value to people, and yet are either totally superficial or deleterious.

(a) and (b) are some of the lowest of bars. Even ISIS passes those, along with tons of other things (deep fried Mars bars, for one).

The parent made a qualitative argument and/or value judgement. Mere existence doesn't negate it, arguments why his values are bad, or shouldn't be taken into account, might.