Why do catholic peopleget so offended when it comes to statues?

I javey own testimony that statues of stains and Mary are from the kingdom of darkness. I preach to family members my whooe generation are all catholic accept for my older sister she is a former catholic now a jehovas witness convert. Im a born again devoted christian serving christ. We are the only two non catholic. I've notice that catholics get so offended when we as christian teach them the scripture about Idolatry and Mary is a demon tricking catholics that she can save people. Why? I mean its all written 8n the bible.

Why do catholic peopleget so offended when it comes to statues?
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