Thatcherism has dominated British politics regardless of which party governs

Evidence

In retrospect, the extraordinary prescience of Stuart’s analysis has been demonstrated by the extent to which, over the last thirty-five years, British politics has continued to be dominated by one or another form of Thatcherism, independently of whether the nominal government was constituted by the Conservatives, by New Labour, or by a coalition. — Hall, Stuart, Essential Essays, Volume 1, 973

Categorization

• QUESTION: Worth checking how this claim held up beyond 2015 — does the post-2016 Conservative drift confirm or complicate it?