(Late reply - been working and travel)
Yes, Bawanna - my typical and usual reply when someone asks :Why do you need that..?"
With a legal product in a capitalist society need has nothing to do with it - it is purely a question of want.
(A longer conversation would be
With a legal product in a capitalist society need has nothing to do with it - it is purely a question of want.
Go to Walgreen's, count the pain relievers there - there has to be 75 brands - if it is solely based on need there would be three types of one choice each, aspirin, acetaminophen and ibuprofen. You don't NEED 75 just 3.
Another example is tooth paste do you really NEED multiple types of toothpaste?
And the answer is no, you don't, all you really need is baking powder and a finger.