The digital services tax was a limited counter to aggressive tax avoidance by US multinationals. Unfortunately, even though it's peanuts in the grand scheme of things, it's looking like it'll get offered up as sacrifice to the King in Orange.
UK corporations are expected to pay ~20% corporation tax, individuals pay _substantially_ more on their incomes. We've got a generation that've had to endure continual cuts to public services because "there's no money left", whilst foreign corporations make money off our public virtually tax free.
Google, Facebook etc., should pay their way or get out of our market.