Why has she chosen that phrase?...
This fails their tests
The phrase is used; and will be readily understood by, a sub-section of Scottish Society, working to lower middle class Scots raised here, and those that effect to be so.
I genuinely wonder if the first suggestion was #FuirichRabhadh
Anyway: wash your hands, maintain distance, wear masks, stay alert ...and #KeepTheHeid
"3.2 million said they have no Scots ability (age 3 and over)."