Latin is how the Catholics kept the Bible from being read by the masses for themselves. They wanted dependency from the masses. IF you want Salvation, you must go through US - the ONE TRUE CHURCH in the world.
Second, if somebody was actually God, and actually founded a Church as a means of salvation for mankind, refusing to join or to remain in that Church wouldn’t make sense, wouldn’t it? Unless you (1) didn’t believe there was someone on earth who was God, or (2) didn’t believe Him when he said He was building a Church; or (3) wanted to tell God “I want Salvation, but on my terms, not yours.