Yes, because when they go to Media Market and FNAC they will only have macOS and Windows laptops to chose from.
Having Tuxedo, System76 and co is great, but what most people care about is what there are in regular consumer shops.
Linux adoption among consumer hardware has only been a success where it is invisible to the user, like the Linux kernel on Android or WebOS, firmware on DVD/BlueRay players,...
The average person walking into these shops has never heard of Linux. If, as I would hope, they find out about it and like it, they’ll ask. Then either the shops assortment will be improved, or as sibling comment says, they’ll look online.