It's a pretty reasonable explanation for why they're popular. Something that looks artificial looks out of place and doesn't blend. It's aesthetically unpleasing. Just take a haircut. There's a reason rounded shapes on a beard or a hairline look better than cutting a 90 degree angle into your head which makes you look like Minecraft Steve.
We're fine tuned to notice things that stand out as artificial and we usually respond to it in a negative way. The uncanny valley effect is another example.
We're fine tuned to notice things that stand out as artificial and we usually respond to it in a negative way. The uncanny valley effect is another example.