What is the problem with politely declining or just not answering? Or ask directly about the added-value that those cofounders would be bringing to the table. Y

What is the problem with politely declining or just not answering? Or ask directly about the added-value that those cofounders would be bringing to the table. You will be able to filter out the majority and might learn something from the rest. You seem to know this but avoid people that promise vague “strategic” advice.