Jeremiah 33:18 does not prove a need for the Roman Catholic priesthood

In the comments of this Called to Communion post, people have brought up Jeremiah 33:18 to say that the Catholic priesthood is the fulfillment of this passage, saying that without the Catholic priesthood this passage is not fulfilled. Yet in 1 Peter 2:5, this passage is shown to be fulfilled in all the members of the church, as “a holy priesthood that offers up spiritual sacrifices acceptable to God through Jesus Christ.”

Jeremiah 33:17 “For thus says the LORD: ‘David shall never lack a man to sit on the throne of the house of Israel; 18 nor shall the priests, the Levites, lack a man to offer burnt offerings before Me, to kindle grain offerings, and to sacrifice continually.’”

1 Peter 2:5
you also, as living stones, are being built up a spiritual house, a holy priesthood, to offer up spiritual sacrifices acceptable to God through Jesus Christ.