Father says he is proud of his Jihadi sons

The transcript discusses Abu Bakr's emotional plea for his son Amir to return from fighting in Syria, after losing two other sons in the conflict. It explores the motivations behind joining the fight, distinguishing between those fighting against dictatorship and those joining extremist groups like ISIS. The narrative highlights the growing list of British nationals involved in the conflict and the government's stance on returning fighters, emphasizing the risk of radicalization and the impact of treating all returnees as terrorists.

What does the term 'radicalized' mean according to the speaker, and how does he prefer to describe it?

What concerns does the grieving father express regarding government policy towards returning fighters?