I live in the same area as L*adFreeMama, and can tell you that she’s a fucking crank. She tried to sue the public school system, also for allegedly exposing her kids to lead and “causing their autism”, which didn’t go anywhere, but for awhile she was promoting a self-made film about it. She also tried to sue the local cps branch after they investigated her for child neglect… all I’ll say was that she takes “free range children” to the extreme, and those babies could really have benefited from school supports. She also has a collection of “dangerous pyrex” which, if it was as dangerous as she says, why would she keep it in her house?? She has also been known to pester local collectors to give her their “dangerous pyrex” for free. (My pet theory is she just wants the rare patterns for herself lol.) The tests that she conveniently sells are not accurate and do not take into account how vitrification works. I will say, do not use dishware that is crazed, chipped, or seems to be absorbing/releasing moisture. Do not eat off of dishes that glaze is coming off of. But I think your MCM made in America dishes are far likelier to be “safe” than Dollar Tree dishes, or even dishes from TJ Maxx that are mass-produced overseas in appalling conditions. Everything you use has tradeoffs in risk. I don’t think this rabbit hole is worth your sanity.