I didn't delete the post in question, but those who are unhappy should read my post.
This was not an offer to someone looking for help, it was offering a general service and soliciting for customers.
The rules are clear, and the only way to be fair is to apply them to everyone in the same way.. There has to be a line somewhere, and allowing exceptions would just make it harder to define and police fairly.
I did see the post before it was taken down (I can't do this myself yet!) and my impression was that it was inappropriate but well meaning, That is why I pointed out to the poster that, if it is not a commercial operation, the classified are the proper way to promote this service. It's not banned, it's just in the wrong place.
I would be keen to hear from Mark C. to get his opinion, as it was his post. He asked if he had fallen foul of any guidance and had searched for it, but could not find the guidance – for the record the 'terms and conditions link' appears directly above the 'add posting' button.
Neil