Through correcting my parents' English, I realised how unnecessary it is to be fluent

One of the many bizarre proposals in the Government’s Immigration Bill states that public-sector workers in “customer-facing” jobs will need to be fluent in English. Because apparently, of all the things wrong with our austerity-slashed, near-crippled public services, the most worrying one is that staff might not be speaking the most loquacious form of English.