The discord arrives not because they do not acknowledge the deficiencies but due to a difference in priorities, what one person values another may not.
It makes sense to me that their would be tension between people who want full control of their system & privacy in exchange for occasional performance cuts and unsupported anti cheats vs those that are comfortable completely giving up their privacy & control in exchange for occasional performance boosts and invasive anti cheats.
I agree there is nothing wrong and people advocating for their preferences, opinions, arguments, solutions, whatever.
However, when you get so attached that you need to start lying to say it's better or that the alternatives are worse, that's no longer rational and makes the people doing so no longer trustworthy.
This is true for all types of tribalism across all areas of society.
Anyone making clearly false claims, for example.
I had a recent discussion with a Linux devotee, for example, claiming gaming on Linux was basically as good as Windows and that Linux had full DirectX equivalents. Both things are false, the user knows they are false, but that user lied to themselves due to loyalty to their preferred platform.
Apple users do it so often, the term reality distortion field was invented to describe their behavior. Sony and Zboz fans do it as well. Not to mention people do it with everything, i.e. political parties.