alt Hacker Newsmemory is a commodity is laughable. Then software engineering is even more a commodity, the amount of engineering going into making memory chips the vast majority of people don't understand. There are a lot of software engineers getting this field after leetcoding and copy from hellointerview. Claude can write you an app in 30 minutes. Try build a lpddr5 dram chip in 30 minutes. Manufacturing know how itself is a specialty and barrier to entry.
I mean your view isn't flawless but overall I agree. Too many people think building things amount to spending money and completely overlook the thousands of people required who are not just unskilled labor hired off the street.