But who's arguing with this??
You don't read carefully what people tell, you're blindly trying to prove you're right. And you are – with certain reservations.
Many people (including myself) pointed that X11 forwarding doesn't always work with modern GUIs.
Every day I happily use X11 forwarding to work with
Beyond Compare by running it in a remote Linux box, and it perfectly works although has a complex UI.
In contrast, a very simple image vewier
graphics/feh doesn't work at all (it hangs and has to be killed then with "kill -9". So, to quickly view a remote picture I have to run more complex
graphics/geeqie.