At this point quoting a PM who has observably lied about policing levels, announces that internet regulation is a major solution to the problem and has attacked the suggestion that foreign policy is related to the issue of international terror, is nearly as bad as your opening post.
Also when you say
Do you mean, learn nothing about the issues caused by engaging in a situation leaving 200K dead and an environment to breed the Current Islamic State threat?
In what way does anyone believe we are a bit soft on Islamist Extremism?