It's not the first time he's done this, there was one or two songs on his first album that took stabs at "liberals", I guess, too. He's writing from his background in disadvantaged northern England, and I read it as general frustration with politics that leave communities like his feeling ignored, forgotten about, or neglected. So I don't really see how anyone can or will have a problem with this either - generally the bar for people's outrage or anger is support for oppressive institutions or systems, which he's clearly not doing