Apparently we are to believe those pictures of old popes kneeling before the Shroud, kissing the Shroud, and bowing before the Shroud aren’t evidence of idolatry.
That is not idolatry. That is called "Veneration." Look it up. Respect for something believed to have been left behind by Jesus Christ himself as a testimony of what happened. You use the term "idolatry" as a pejorative. if you had possession of the Robe that Jesus wore while preaching and spreading God's word, would you spit on it or venerate it?
He told Thomas to put his fingers into the wounds in his side. . . so that he would believe. Why not accept that perhaps he left behind a testament to his death and resurrection?