pointofyou
Hero
I realize you are making a joke about worldbuilders but a whole detailed world or multiverse is not a requirement to start play. Broad strokes for the setting. Details for where you start. Fill things in as they become necessary.Ah, I misread... thought you meant that the new one will have more OSR type tables. I agree with your take.... it seems unlikely.
It seems only slightly more difficult than building an entire world before beginning play!
I have occasionally found the random tables useful for inspiration but I will not be gutted if they are left out of the new DMG.