I will work Japanese and other Asians on a weekly basis.
I’ve seen very few spell flu as flue.
You made a broad brush statement.
That happens on FR sometimes. I do it.
But expect to be challenged (politely) if you (or I) do.
It was mainly the chinese who ‘follow’ Jennifer on twitter.
It happened enough for me to remark it.
and I’ve never seen an American spell it that way.