Why can't we trade classic subscription?(Originally titled "It's dumb")

[Tigairius]

Originally Posted by Tolerian28

Yet if I buy anything else in this world, it is therefore MY PROPERTY, and I am free to do what I please with it. It's not like I told Graal they can't use my money for what they want.

What about if you rent something? Is that YOUR PROPERTY then? No. You're merely renting an account from Graal, it's not your property.
You may not have told Graal what they can use your money for, but Graal told you what you should use your account for and you agreed to it before purchasing it.