Internet porn accessible for all = NO!
Gambling accessible for all = Alright!
Way to have your standards set, parliament.
Well, if we see the bigger picture, porn can lead into prostitution where it gave life to global sex trade business involves human trafficking, coercion, and extreme physical danger while gambling's usually only affect the gambler's family financial since it can instantly drain life savings, lead to massive debt, bankruptcy, and illegal acts to fund the habit. Of course if there are lot of gamblers who were like that, that would be a huge problems to for society too, making both things are equally bad.