Your arguments are undoubtedly valid, but I don’t think you’re right about evaluating the tool you are using. These are user-created “prompts”; no software is behind it, no engineer, algorithm or anything else that would justify this expense. For $13 (included tax), I open a premium account on Writesonic. Come on, let’s be serious; for a series of verified prompts, $24 is an absurd expense, and I don’t think being a marketing professional justifies you from throwing money away.