Typing it here as it will get auto merged in the thread. Kaido being a bad unlikable villain is opinion of vocal minority. The fan poll was also before Kaido did anything relevant. In general people's opinion varry from him being okay to good.
Someone closed the spoilers thread while I was reading your post and preparing an answer lol ;-;
Copying your sentences and then adding them into quotes and then reading them and then replying to them takes much more time. I'll see if I get some free time later to reply or just reply to the prominent part/s.
I’m not even a minute in, no figure has captured my interest. I don't care about figuring out anyone's true identity. Nobody is fucking awesome and I’m not willing to bet who that guy was. This guy also seemingly sealed away nobody so he seems very, very weak.