Are you familiar with the No True Scotsman logical fallacy?

Yes, but I do not know, what you are trying to tell me.

I am suggesting that you are making exactly this kind of fallacious argument when you say “No (sane) person would ever claim, that it is the right language for every problem.”

"in which one attempts to protect their universal generalization from a falsifying counterexample by excluding the counterexample improperly"

This would be the wiki definition.

But where is your falsifying counterexample?

You mean the video, which says below:

"This talk does not represent anyone's actual opinion. For a more serious take on software, try .."?

It's fairly easy to find falsifying counterexamples — it's not such an uncommon opinion.

Also I believe the author of the video is clarifying in the statement you quoted that he isn't trying to take a position on the state of the industry.