The price difference in terms of manufacturing cost is immaterial. But if people can't afford a machine with 32GB anymore then they're going to suffer one with 8GB knowing from the outset that it's not enough and then have a strong preference for the ability to upgrade it later when prices come back down or they get more money.

Do most people know what the bottlenecks of their computing experience are?

Most people have access to the internet where you can ask people what they recommend if you don't know yourself.