They absolutely know for SUUUUREEE that it is Gold. They have taken a sample from it, delivered it to earth and made an diagnostic.
Do you know some people are doing... ummm... SCIENCE?

Gold sucks compared to Bitcoin ? Have you fallen on your head upon birth or something ? Or you simply do not know the use of Gold and its uniqueness ? It is the other way around more likely ... FFS these folks...
Do you have some mental issues because it's really looking like you do! You should definitely get some help, moron!
And now, please do your daily prayer for Peter Schiff!