HaLeivi – I was referring to footnote 28, not the main body of the article. His point is that it is clear from the vikuach that the mumar is referring to Golems in general (not the Maharal’s specifically) to which R’ Aufhaussen responds that no-one makes Golems anymore. It is a ra’aya simply that people knew of Golems in general (especially this mumar who had learned Gemoro), but if the Maharal had made one in Prague (where the vikuach took place) 10/20 years earlier there is no way that R’ Aufhaussen could claim that no-one makes them anymore (a sort of ‘lo chotzif inash’).
I can’t do better than take a Sefer’s word that it was written when it was. It says it was written in ??? ???”?, which is six years after the Maharal was Niftar.
This is the point. You can choose to believe it, but there is no way that you can show it to someone else as proof. To take the word of a book first published 250 years after it was supposedly written where there is no corroborative proof of the accuracy of its content is dubious. If you wish to believe it, fine, but don’t try and use it as proof for others. If we could do that I could claim that thousands of years ago Elves, Dwarves, Wargs, Trolls, Orcs, Uruk-Hai, Ents, Giant Spiders and Oliphaunts were hanging around what is now Northern Europe because I take the book’s word for it.