> This $2,000 phone does not seem 8 times better than my $250 phone.

Well lets adjust the comparison you just made, then.

> A $10,000 car and a $80,000 car are going to be markedly different.

I can buy a Maserati Ghibli for under $10K on eBay and it will be very similar to the $109K Ghibli that Maserati would sell me today.