For those of us who study culture, this is absolutely a thing. Its called pseudoarchaeology and it has always been very popular with White Supremacists.

https://entangledstates.org/2021/10/05/the-connection-betwee...

https://www.sapiens.org/archaeology/pseudoarchaeology-racism...

https://hyperallergic.com/470795/pseudoarchaeology-and-the-r...

https://www.science.org/doi/10.1126/science.364.6436.110

Also, Even today white supremacists think Einstein was a fraud:

https://christiansfortruth.com/albert-einstein-plagiarist-an...

But that is harder to believe than "Dumb Egyptians couldn't make pyramids, so aliens did it..."