The phenomena was commonly known as Televangelism. Religious Broadcasting Network such as The God Channel and Trinity Broadcasting network were really popular back then
<span>Some Televangelist even a regular pastor who did it in their place of worship.
Many people believe taking artifacts and validating tombs of Pharaohs for example is unethical. Basically disturbing the dead and it's history. So taking artifacts can be seen disrespectful in a way.