It's kind of because we can. I'm currently on a Mac and a PC. The Mac's CPU is at maybe 5% when I'm doing most things. The PC is at 1%. I'm using half the PC

It's kind of because we can. I'm currently on a Mac and a PC. The Mac's CPU is at maybe 5% when I'm doing most things. The PC is at 1%. I'm using half the PC's memory and 3/4 of the Mac's. These are no up to date, high memory or high performance machines. Have a look at your own machine. Surely for most of us it's the same. And that memory usage is mostly in one application - Chrome. The only bloat that hurts a bit now is web page bloat. And on a good connection this isn't an issue either. It's also different on phones where application size and page size seems to matter more.