I didn't hate it but it was essentially just Oda telling an assistant to draw "a cool dinosaur for six pages"
Well firstly, Oda draws everything that moves. Secondly, just remember that this arc is so big that Oda is trying to tell a massive story and wrap up 400 chapters of storytelling. Page One is a miniscule portion of that.
Really what he was trying to do was hype up Sanji's raid suit. Just from the way Page One disappeared, you can almost certainly say he will be back. In fact, most of Kaido's top fighters havent even been revealed yet.
Yes, Sanji is strong against someone like Page One, but Page One may be the weakest of the Flying Six. There are 4 left and Drake read through Sanji's moves twice, so they probably are no joke.
Then there are the numbers, whom are probably higher ranking than the Flying Six.
Basically, just wait for the war for everything to pay off. We are about to get 50-60 chapters of fighting.