I think some people would automatically start believing in it if you did, actually.
As for me, 1052 seems like not only a good number but the most reasonable point to see whether or not this truly happens. I give up if it's not, at the very least, on the horizon next chapter. Usually we get something to chew on before the break week.
Shitty ending for Kaido if Momonosuke's uneducated ass is the best shogun immediately starting from the second he closes both eyes involuntarily for the first time in decades. At least follow up after the volcano, and let the damn smoke finish rising from his corpse if he's done before starting the happy days shit.