'In 1 Corinthians 6:19, "you" is considered plural even though it appears singular, as it's referring to the entire community of Corinthians being addressed by Paul, essentially meaning "you all" or "y'all.". - AI Overview
My understanding is based on the "where two or three of you" and my sense that each Believer is a building block of the temple of God where each of us not only needs the others but is part of God's plan to build His church (Greek word, "assemblies") I recently published under the title "Within or Alongside"
I checked my view online and found this: https://www.bereaninsights.org/bible-gem-359-why-the-plural-you-in-1-cor-619/