Because it shows earthly, practical, priestly ordination, which is unlike the priesthood that you seem to accept.
“Because it shows earthly, practical, priestly ordination,...”
Not so, men were being appointed as elders or older men over the congregations. The Greek for “priests” is not used here at all. Nor are the elders ever called or equated with priests over the congregations.
Rev. 20 describes the priesthood I accept.