Earlier quoted context omitted.
Companies should really accept a "No" from their users. No I don't want to use a microsoft account just to use my computer. (Without jumping through hoops) Don't ask me again the moment I say "No". You can see the same with all those dialogs that only have "Yes, do $THING" and "Remind me later".
It's what the phrase "the customer is always right" originally meant. It means you can do all the market research, development, testing, polling, and seeding to sell a product. But the ultimate decider of whether the product is "good" is whether or not the people buy it. If your sales plan flops don't say "it's not the product's fault, I just need to do a better job marketing it." No, the product is wrong, the custom…
There are several parties at this party. One is the person who bought a computer with an operating system on it; possibly they even paid for the operating system itself, though more likely they are using the operating system that came on the computer they're using. Another party is the one who bought a license from microsoft; occasionally they're the same party but more typically it is some sort of vendor who did this. And there's also the party that's giving microsoft money to put advertising in front of the "consumer."
So -- it isn't clear to me who in this context is "always right"