There are PC sellers who sell Linux Desktops! System 76 is a USA example of a retailer who does sell PCs with Pop_OS or Ubuntu preinstalled. It does hurt to not have these PCs available in big box stores like Walmart or Best Buy. As that would make Linux visible and readily accessible to a potential buyer.
The biggest barrier for entry is it’s not preinstalled
There are PC sellers who sell Linux Desktops! System 76 is a USA example of a retailer who does sell PCs with Pop_OS or Ubuntu preinstalled. It does hurt to not have these PCs available in big box stores like Walmart or Best Buy. As that would make Linux visible and readily accessible to a potential buyer.