Microsoft has also tried hard to push Edge, annoying nearly every Windows user on the planet, with no real success.
Youtube comments might not be a cesspool if they were tied to your "Google identity".
This should give insanely obvious evidence that clear-name policy does not lead to a more civilised discussion. I mean, everybody who went to a public school [in the American sense of the word] already knows this well: "everybody" knew the names of the schoolyard bullies.
The political wishes of clear-name policies are rather for surveillance and to silence critics of the political system.