The liquids policy didn't actually come in after 9/11. It came in a when the potential liquid bomb threat was thwarted in 2006 and would have impacted UK flights.
on that day, I was flying from Otopenyi ( Budapest) - and was telling the taxi driver that stalinist occupation had only lasted 50 y
whereas turkish domination was a few hundred.
there was no transdanubian renaissance (ever) which gives you an idea what the Turks were doing or not
doing.
and in the airport I walked in to see a monitor with an aircraft flying into a skyscraper. I s this real-time I asked a traveller. He said 'yes'