Keyword: "create".The template probably has been created. But the creator is not compelled to fill in the template with words or images that they find offensive. If they sell the template, they must sell to everybody. If they use a template to create individual content specific to the customer, that’s part of their creative product abc they cannot be forced to create words or images that they find offensive.Disagree--in this case the creative work was already done in creating the template, filling in the blanks is probably not creative and thus I think they can be compelled.Most artists and designers have a repertoire of the types of work they do. I believe web designers have a set of templates that they use. I think under this ruling, a webdesigner could be compelled to sell the template (assuming they sell the templates to customers) to any customer but cannot be compelled to write Jeff and Ted will celebrate their love in holy matrimony at 6:00 on Friday, October 19.....
Normally, though, the templates are just a starting point and there's a lot more done than just filling in the blanks.
What you were describing sounded a lot more like pasting customer content into the blanks. I do not consider that creative. It becomes creative when you need to do something beyond just fill in the blanks (and I think in most cases it will require more.)