Stewart Jackson is Parliamentary Private Secretary to David Davis MP, the Brexit Secretary.
This tweet by him is some indication of his openness to a wide range of opinion on the issues his boss is considering:
Stewart Jackson MP (@Stewart4Pboro)
Had enough of liberal smugness, Remoaner whining & rampant Europhilia @TheEconomist & cancelled my subscription. UK patriots shd do similar
I think small minded is too kind a description.