They failed to present data that exceptions are made for other search engines.
Valid point, but I do not think they are lying, I am sure they can present it to cloudflare if required.
It's quite likely that Baidu is doing the reasonable thing and using a more sophisticated crawling mechanism to cache the cookies. You have to do this anyway to be able to crawl much of the web which is highly js-dependent.
So, the solution is to complain on social media to right the wrongdoing? Shouldn't there be a better way for the shareholders at stake to have a voice?!