I am just saying they are wrong about what market the platform serves

Keep pitching this. You have one whale nibbling at your bait (if not entirely hooked). I have a feeling more are hungry.

(Maybe saying "they are wrong" is not the most politically effective, nor the most accurate way to put it. We try things, see what works, and most people, even whales, are open minded enough to change and evolve. Maybe not all, but most. Perhaps it is more useful to suggest that it is time to try a different approach. At least, that's how I would try to sell it, and I may indeed be trying to sell it.)