Actually companies has to pay for legal winrar and other software because if they are visited by someone that cheks legality of software finds "pirate" version company has to pay huge money.
It is best with story about russians buying space rocket from usa
tea bag = full rocket too much $
tea bag without little paper = rocket without control panel /still too much $
tea bag without little paper and thread = rocket without control panel and fuel pump /still too much $
tea bag without little paper, thread and emptied = only rocket outer cover /deal
then ignite and after little countdown observe ppl reaction
go on modify it :P
tea bag = full rocket too much $
tea bag without little paper = rocket without control panel /still too much $
tea bag without little paper and thread = rocket without control panel and fuel pump /still too much $
tea bag without little paper, thread and emptied = only rocket outer cover /deal
then ignite and after little countdown observe ppl reaction