I'm aware it's far fetched and I don't even really believe it, and there is no evidence like you say, but it's also kind of hard since there doesn't seem to hav

I'm aware it's far fetched and I don't even really believe it, and there is no evidence like you say, but it's also kind of hard since there doesn't seem to have been a huge amount of analysis done before his work. To me this is one of those things we'll basically never know the answer to; the crucial information(state of the mural before the restoration) is lost to history. It reminds me of the Voynich manuscript in that sense. I was just captivated by the idea of some 14th century priest losing his mind and doing this. But yeah, not exactly likely.