My latest pet peeve.
When someone refers to a politician by their given name only.
Why? most of them have fairly distinctive given names.
Our current & most recent Oz PMs have quite widely used nicknames, like "Scomo" & "Albo", although referring to the former as "Scotty" didn't confuse people.
Historically, we had "Bob" (Menzies), "Gough" (Whitlam), "Mal" (Fraser), "Tony" (Abbott), & everybody knew who you were talking about.
For some reason, it didn't really take with Hawke ('Hawkie"), Keating ("Paul?"--nah!), Turnbull (the shadow of the real "Mal" was still too recent), Or Howard (maybe "Johnny" to some)
On the world stage, every Australian knows who "Don", "Joe", "Boris" & "Vlad" are.