Earlier quoted context omitted.
There's been dozens of hijackings since 9/11 https://en.wikipedia.org/wiki/List_of_aircraft_hijackings#20...
To be fair there's been a lot less hijackings in the 2000s and 2010s compared with previous decades - although as the decline started in the 90's - its not likely to be solely due to increased security.
Now if you attempt to hijack a plane 100-300 passengers will beat your ASS and stop you before you get anywhere near control of the aircraft.
There will never be another hijacking attack where the pilot loses control of the plane from a threat of a would be hijacker.