It seems this person has personally detected the presence of lead in older corningware: https://tamararubin.com/2019/03/how-much-lead-is-in-my-vintage-corning-casserole-here-are-pictures-of-each-one-i-have-tested-with-links-to-the-post-with-test-results/

What would you want to say to people still entangled by the church or any similar organization?

There’s one in New Mexico that plays America the Beautiful.

https://www.atlasobscura.com/places/musical-highway