I don't know why people get so personally, and emotionally invested in an operating system.
These operating system comparison threads seem to come most frequently from people who don't understand the fundamental concept of what an operating system is.
In a nutshell, an operating system is a big complicated program that lets other big complicated programs co-exist peacefully on the same system.
Nobody sits down in front of their computer and says "I'm going to run [macOS/Windows/Linux] today." They say stuff like "I want to surf the Internet/check e-mail/organize photos/work on sales forecasts/check inventory/enter an order/invoice a client/video conference with a business associate/etc."
Similar threads are the often inane inquiries about "what computer should I buy" without the original poster specifying what his/her needs are. You need to think about what you want to accomplish and use the appropriate tool. You can't drive nails with a skilsaw and you can't saw boards with a screwdriver.
At work, many of us don't really have a choice of what computer we use: our employers provide those tools without asking our preference because they expect us to do
certain tasks. They have a set of tools (a database, a spreadsheet application, a word processor, a sales tool) and systems (e-mail server, database server, etc.) that is deployed to employees and they decide acceptable systems on which to run these based on cost/system administration effort/interoperability/etc.
This very basic concept of understanding that tasks often dictate the tools and hence the system is completely lost of some people.
At home or if you're self-employed you often have a choice.
Ultimately, discussions like "Windows vs. macOS" are often meaningless anyhow even when discussing a certain set of tasks because modern operating systems are often very close in their ability to support applications that do the wide variety of tasks desired by the individual.
In the photography world, they have a similar inane discussion: "Canon vs. Nikon."
