This term seems to be everywhere at the moment.
This article in The Guardian raises issues that are common in IELTS Writing Task 2 e.g.
According to the writer, "There should be a mass campaign against ultra-processing."
Notice the reference word "that of" to avoid repetition.
Compare:
The life expectancy of England’s poorest people is lower than that of richer people.with
The life expectancy of England’s poorest people is lower than the life expectancy of richer people.
.
.
.
.
*nanny state = when the government is regarded as overprotective or as interfering unduly with personal choice.