It's a 13 inch screen. How are these even comparable?

Is it that you're holding out for an 8K desktop monitor?

the resolution is almost 1:1 comparable. Obviously the I sit much closer to a laptop than i do my 57" HDPC

It's much cheaper to produce smaller displays than larger ones. There's a higher chance for defects as display size goes up.

It should be offset to an extent by the larger cell (or pixel) size. The only reason it's "not", is that manufacturers have invested huge sums of money on production lines incapable of producing larger products while at the same time complaining that their ancient subpar desktop offerings don't sell well.

Are you really knowledgeable about the internals of LCD manufacturing processes to make such sweeping claims, or are you just asserting your general corporations are evil narrative?