No, the comparison is completely valid here. You guys are just expecting Oda to spoon-feed us everything for us to confirm the most obvious of things. That's not how it works. Kaido is a very devil's fruit-centric character. He's supposed to be someone who maxed out at everything he's good at. Hell, Katakuri said it's obvious for someone like "him" to have awakened his ability; what does that make Kaido? You're basically saying Kaido did not reach his fullest potential despite how strong he is when even the likes of Kid and Law, who likely have just as much potential, awakened their abilities as early as they did.
I am not saying that Kaido certainly does not have awakening. Once again: But none of it is confirmed yet. There is no statement either. We think this is the case because it is likely but I'd like to see a clear official statement about Kaido's entire form being awakened or his dragon forms being a result of awakening as well.
Especially in debates, it is tiresome debating about unconfirmed stuff, whether it is awakening or not.
There are no answers. Do we even know that Kaido has another form? I do think he is awakened but I also believe he'll show it soon. Luffy's awakening gave him a completely new form, higher recovery speed, higher durability and better passive DF abilities. The same can be said for Kaido but he will also show his own exclusive awakened form as well. Now that is my speculation. But at the end, it would be far better if Oda simply confirms stuff, then we can actually spare such discussions.
Again, I understand where you are coming from. Kaido is the dude who has all three advanced forms of Haki, a very skilled mastery of his DF and physically very powerful. I get your thought about Katakuri stating how it is obvious for him to be awakened and you sure question why Kaido shouldn't be awakened. I get this thought like I said. But the issue is that none of it is confirmed yet - Oda can always make stupid exceptions.