Apologies for the misspell.
The context was her "contempt for Brexit voters, constantly implying the Leave vote was driven by prejudice. ‘The people that complain about the freedom of movement will not be satisfied because what they really want is to see less foreign-looking people on their streets’, she said last year."
Quote from Laura Firsht.
However, I don't think context has anything to do with whether grammar is correct. You simply can't say "less people" and be grammatically correct. People are countable so it should be fewer people. It's a very common mistake nowadays. I think a lot of people are simply unaware of the difference between less and fewer. Less is for amounts of things, like sand or paint. Fewer is for things that can be counted.
You can't have an 'amount' of people, not even in a mass grave when they're all piled up. It's still a number of people.
Since you asked 