Earlier quoted context omitted.
I mean the errors and awkward grammar / pronunciation in songs by ABBA.
Comes with the territory, no? "If I was a rich man", "I feel good", "we don't need no education", the repetition of "and their bombs" in Zombie, "Me and Bobby McGee", the weird "this" pronunciation in "Sweet Dreams", making people mishear it as "these", etc… (just off the top of my head) The (deliberate) almost nonsense in Nirvana songs, too. It is funny (heh) that the "funny" in ABBA's "Money, Money, Money" and "Doe…
I simply assumed that if someone gets annoyed when local employees cannot speak the primary language of their foreign parent company (a company decision btw), that same person would also be bothered when foreign singers sing or speak in unnatural, non-native English.