There might be a small amount of people that do that. But there is always a small amount of people that do something stupid. I've seen a number of people who bought the pandora and had no idea about Linux and then decided to sell it because it was to complicated for them too work out.
Yep, those groups always exist, but they are larger the more popular something becomes and the more mainstream it gets.
Believe me, I got TONS of weird questions after the WIZ was featured on some news websites. It tripled the sales, but I also got tons of questions like "How can I install my Windows games" and stuff like that.
I rarely got questions like those before - and I don't compare total numbers but percentages of sales.
Also, Golem.de (a huge tech news website in Germany) made a review of the GPD XD.
Before that, out of 20 sold units, I had about 1 returned to me.
After the review, sales tripled, but returns increased a LOT more. Now out of 20 sold units, I have about 5 returns.
That value is five times higher.
I can see a similar effect with my shop: When it was smaller, I had almost NO returns, as the people who found my shop KNEW what they were buying.
Now I also sell on Amazon. Most of the returns I have are from users who bought via Amazon.
The more you reach outside of your niche, the more non-techy people you'll reach.