This is a declaration that Peter and the Apostles had forsaken the ordinary life of home-wife-family-kids in order to follow Jesus.
.....
No, you miss that He switched from the disciples to every one.
Greek makes it clear...
Matthew 19:2730 (WUESTNT): *As for you, you who took the same road with me which I am traveling*; at the time when all things shall be restored to their pristine glory, when the Son of Man shall have taken his seat upon the throne of His glory, you yourselves also shall seat yourselves upon twelve thrones, judging the twelve tribes of Israel.
*And everyone whoever is of such a nature* as to have abandoned houses or brothers or sisters or father or mother or children or farms for the sake of my Name, shall receive many times as much, and shall inherit life eternal. Moreover, many who are first
Two groups:
1. The disciples who took the same road as Christ
2. Everyone who is of the same nature
Only the Twelve will sit on the Twelve Thrones judging the Twelve Tribes of Israel .
But everyone (*everyone* of this sort, of this nature) who gives up home-wife-family-kids and the rest, for the sake of my Name, shall receive many times as much, and shall inherit life eternal.