Nuclear weapons interfere with carbon dating
It also quickly degenerates in "Last Thursdayism" (ibid).
Obviously nobody was measuring C14 fractions during the industrial revolution; Libby didn’t invent the method till the late 1940s.
Did a nearby supernova cause a spike in atmospheric production of C14?
The older the age claim, the more it becomes a matter of worldview, not science.
I heard several times from creationists that now, if scientists would examine the land in Hiroshima, it will tell them it is millions of years old all because of the atom bomb.
And because of that now we can't trust Scientific datings of the earth, universe, rocks, etc.