Sure, anybody can generate the code with the correct software,but not everybody has the software even though its freely available,(obviously you have the software)so its good to help those people who dont.
What you have just done is broadcast kaiboy's code on a public forum without his consent (really helpful)Kaiboy chose not to have his code broadcast on a public forum but by PM
maybe you should complain to Ford dealerships for charging £35 for a code (providing you have the reg documents)