Chemikiem , you raise an interesting and insightful argument
Yes, she does indeed. But may there be even more skeletons in the closet? This ridiculous Brexit affair is becoming more and more interesting day by day...
Cameron promised a referendum on any treaty with the EU (if he became PM) as early as in September 2007. In an article for the Sun he even called his promise a "cast-iron guarantee". In October 2011, David Nuttall MP, chairman of the
Better Off Out group of MPs proposed an EU Referendum Bill in the House of Commons.
Despite it being opposed by all main parties, the motion gained the support of 119 MPs. This helped trigger the chain of events that led to
Cameron making another promise to offer a referendum on EU membership in 2017. [Tim Newark, "Protest Vote. How Politicians Lost the Plot", 2014]
Yea, a chain of events, it seems ...