Earlier quoted context omitted.
How is that different from pointing out a name like Microsoft? Either way, it might be uncouth, but I don't see the connection to responsible disclosure.
It's not me that is having a problem with this, I'm just pointing out why some people are having problems with Tavis in general. You don't think it is reasonable to at least tell a vendor there is a security problem first before telling the rest of the world? Maybe responsible disclosure is the wrong name for this, I like the coordinated disclosure idea better. Maybe I am using the wrong terms but I cannot edit my po…
The mere announcement of the existence of a bug, with little enough detail that it won't help anyone find it (i.e. "RCE in Windows" is useless), does no practical harm. It might be a bit rude.
It's the announcement of details that help people find the bug that hurts. If the original announcement was "RCE in Windows due to type error in malware protection JavaScript interpreter" then that would potentially help bad guys put together an exploit before good guys can release a patch.
Stuff like responsible disclosure (coordinated disclosure would be a fine term too) is about the second one, only, as far as I understand it. It's about mitigating the practical effects of the vulnerability as much as possible, not about protecting the reputation of the company or avoiding rudeness.