Because there’s always some MBA thinking “Wait! We can charge them AND show them ads too!” They need to be legally barred from doing that.
Also, individuals who are richer should have more of their salary deducted, since they can afford it, and people who have low income or belong to groups who need special protection should not have to pay, instead they should be paid a monthly internet allowance by the government, which can increase if they visit websites who are beneficial to them and to society. For example the Arch Linux wiki.
There are nuances that need to be ironed out with this approach, but at least we can guarantee that if someone works for the common good, that individual also gets something back, can keep a straight backbone and not beg for money.