Prayers said to someone else are prayers not said to God, our Father.
Worship, adoration, exaltation of, whatever you want to call it offered to anyone else is that not done to God.
Bowing before any other entity or image of entity is bowing not done to God.
Time spent focusing on others is time not spent focusing on God.
We are not worshiping God THROUGH Mary, the saints, angels, whatever. We are not praying to God by praying through mary, saints, angels, whatever....
Or...