Same sex marriages from places called Christian churches is indeed troubling. So are gay priests molesting children.
“Yet, the Protestant Reformation severed the Tradition from the Bible, and put all other authorities beneath it. By doing so, they created a type of religious relativism “
That is complete nonsense and the reverse of the truth. While the “infallible” pope may declare the world flat and then later recant, or make other mind changes, God’s word is unchanging. The corrupt churches to which you refer have abandoned the authority of the scripture.
“As Catholics, the Bible is not our sole source of authority”
Galatians 1:8 8 But though we, or an angel from heaven, preach any other gospel unto you than that which we have preached unto you, let him be accursed.
AV
Even Christ Himself who DOES have the authority answered satan from scripture.
2 Thes 2:3 Let no man deceive you by any means: for that day shall not come, except there come a falling away first[to elevating the pope i.e. Catholicism], and that man of sin be revealed, the son of perdition; [the papal system]
AV
Daniel 7:25 25 And he shall speak great words against the most High[popes], and shall wear out the saints of the most High[foxes book of martyrs], and think to change times[pope Gregorian calendar] and laws[code of Justinian elevating papacy]: and they shall be given into his hand until a time and times and the dividing of time.
AV
Same old same old!
Catholics saying “we are right because our man made rules say so.”
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