It’s because people demonise “wasting time”.
People take themselves too seriously.
People take themselves too seriously.
I'd wager it is an extreme case, however. Most people don't seem to be consumed by consuming social media days or weeks on end without remit.
[1] https://en.wikipedia.org/wiki/The_Protestant_Ethic_and_the_S...
Also:
"No person, householder or other, shall spend his time idly or unprofitably, under pain of such punishment as the court shall think meet to inflict"
-- Bay Colony General Court, 1633.