Lots of hearsay going on here, Nahanni's (who is in fact Native btw) IG story isn't up anymore but this is the gist of it (from memory, take the details with a grain of salt):
She was doing some type of project (school maybe?) about indigenous graphics and the ski industry and came across a ton of Folsom graphics labelled "cultural" like a dream catcher. She asked if the artist was indigenous in an IG comment and they DM'd her basically saying this should be an email and that she was cyber-bullying them. So, she deleted the comments and sent them an email asking the same question.
They replied super defensive, indicated they don't care what ethnicity makes their graphics (and implied it was wrong for Nahanni to ask), the graphics where legally Folsom's IP, there was a hang up about a ski graphic based off the Hudson Bay Blanket design. Apparently, Folsom was defending it saying an employee from upstate NY came up with the idea, and Nahanni replied saying that the Blanket was used to intentionally spread disease to Natives in Canada, and gave them a few book titles about the matter.
I personally have never heard about the Hudson bay Blanket before but here's an article about its complicated history if anyone is interested:
https://www.cbc.ca/radio/unreserved/uncovering-the-complicated-history-of-blankets-in-indigenous-communities-1.5264926/the-complicated-history-of-the-hudson-s-bay-point-blanket-1.5272430
I don't remember if Folsom responded or not but they did block her on IG and removed the graphics from their website, which prompted her posting about this publicly. She said she doesn't like cancel culture and didn't think she'd go after someone like this but after their interaction she thought it was justified.