You did not offend you just didn't realize what you were doing in innocence and i gave concise solutions that apply to everyone.
For general questions: https://ecommerce.shopify.com/c/ecommerce-discussion
On Partnerships as in my first response:
Join the shopify partners progam that will give you access to the job-partnerships forum which will get going.
On being nasty, the response you got is a canned-response and has nothing to do with anyone as an individual( though it was horribly flawed and not made with newbies in mind ,my apologies). My email is in my post signature if you would like to contribute to a better boilerplate response to marketing decreasing the utility of the job forum
No response required. Standard practice is edit your advert-posting to be empty.