I don’t think we can be emphatic in our insistance that 1,000 years always equals XYZ in all cases, contexts etc.
There’s too many unspecified variables involved, imho.
Certainly it’s plausible that God is emphasizing that time is very different from His perspective.
It is plausible, but not certain, that God has set things up in the ‘recent’ [i.e. last umpteen thousand years?] sequence of time such that there has been/will be 7,000 years of the Heavenly Script playing out in our mortal dimension parallel to a 7 day week=1,000 earth years. . . imho.
xone, has the LCMS taken a position on Colton's story?
Quix, My reading of Scripture is that after the millennium our current universe is burned up with intense heat setting up the new heaven and new earth. Is this your understanding?