For the poll, you could have rated each item on the list.
Most of the items on the list have certain levels of value and so it could have been a rating system.
The operating system is important because some OS have a lot more people writing programs for them. But a good OS with crappy hardware is not good either. Which comes to price, while it may be cheap, usually you get what you pay for, so it's worth a couple bucks more for better hardware and an OS that is better supported. For installed apps, most people don't buy a computer and use only what it came with, but continually add on as needed.
When I was first trying to decide which type of computer to use a couple, okay a bunch, of years ago, I had a choice of a PC, a Mac, an Atari 1024st or an Amiga. One of the deciding factors was the availability of all kinds of freeware for PC on bulletin boards and computer shows, plus I walked into an Egghead store and there were shelf after shelf of PC software and there was one shelf for Mac, so I went with a PC.