Corporation staff had to be reminded of internal guidelines soon afterwards.
Mr Roderick has also said – again on Twitter – ‘The History Guy’ (presenter Dan Snow) used ‘national’ in an archaic British sense, and it was not a good look for BBC Wales.
In reply, another senior BBC Wales journalist said: “… to be fair London does generate 30% of entire UK tax take”.
Mr Roderick said sarcastically: “I’m presuming @WalesOnline has a full time Coyote Ugly correspondent. Maybe they and @dailypostwales might cover politics occasionally.
“This is becoming something of an obsession for @WalesOnline.”
Paul Rowland, the editor of WalesOnline who has threatened to sue our Editor following a satirical piece, hit back with: “Must be nice to do one radio show a week (Sunday Supplement on BBC Radio Wales) and not have to worry about whether anyone listens to it”.
But both Mr Roderick and WalesOnline are contentious in the media world.
Mr Roderick apparently broke BBC guidelines when he attacked a colleague by saying Dan Snow had used the word ‘national’ in an archaic British way.
They also state the reputation of The BBC must not be undermined, despite the fact Mr Roderick criticised the corporation for allowing the term.
The guidelines make clear that criticising BBC colleagues is forbidden: “(You) Should not use the Internet in any way to attack or abuse colleagues.”
Mr Roderick’s Twitter account says the views are “personal” not those of The BBC but to other journalists, for the public these are also the views of the corporation’s ‘Welsh Affairs Editor’.
One BBC Wales insider told The Eye: “Of course you are allowed to have your own views.
“But if you broadcast them on Twitter that’s just the same as standing up on TV and giving them.
Tomorrow more disturbing revelations about convicted fraudster who worked at a controversial Welsh university.