I think PG’s analogy referred to addictiveness, not harmfulness.
Is it bad if you’re addicted to good things?
If it’s getting in the way of other stuff you want/need to do, then yes. Otherwise probably no.
No, but in this case the addiction makes you worse off because surfing the net is worse than doing productive work.
What if I’m surfing the net for tips on how to increase my own productivity?
I think PG’s analogy referred to addictiveness, not harmfulness.
Is it bad if you’re addicted to good things?
If it’s getting in the way of other stuff you want/need to do, then yes. Otherwise probably no.
No, but in this case the addiction makes you worse off because surfing the net is worse than doing productive work.
What if I’m surfing the net for tips on how to increase my own productivity?