To add to that - if a company is not actively protecting the trademark, even in well intentioned cases, then someone can use the trademark and point to a precedent of the brand not defending its trademark, especially if it’s probable that the company was aware of the usage.
Waffle House (or any other brand) must and 100% always will send out a C&D for trademark misusage, otherwise they lose legal protection for that trademark.
Waffle House (or any other brand) must and 100% always will send out a C&D for trademark misusage, otherwise they lose legal protection for that trademark.