In principle, yeah. Read something else in class -- better to just skip it then. It is not uncommon for people to skip lectures and just do the exam.

>If those people who do not waste time are so smart why they have to be hold by the hand and given curriculum?

There's a culture of "rules apply to everyone" and people are not used to asking for special treatment. So if you don't make it super obvious, people will assume they can't ask for adjustments. Also, no tuition so weaker incentive to get your money's worth.