I capitalised it in the title because of its etymology, and for emphasis. I think I would use lower case in regular usage.
More examples:
https://www.messynessychic.com/2017/01/18/the-inexplicably-fascinating-secret-world-of-thomassons/
https://kyotojournal.org/kyoto-notebook/kyoto-tomason-the-hunt-for-hidden-hyperart/
https://www.amusingplanet.com/2017/04/thomasson-architectural-relics-that.html
https://commons.wikimedia.org/wiki/Category:Hyperart_Thomasson
English Wikipedia has been down all day. Very, very rarely do I take anything for granted, and yet, I felt a pit in my stomach when I saw a blank page. It’s funny to realize just how much of a fixture in my life Wikipedia has been.