On the consumer side, most people today probably wouldn't be satisfied with 8-bit graphics and sounds/music only limited to beeps and boops, literally.
On the developer side, I would imagine that the NES was extremely difficult to develop for compared to what we have today; a simple "Hello World!" program might've been ridiculously longer than it should've been. People may have had to write all of their games manually in binary or assembly. Jesus christ.