I know my friend, my point was Fattah uses its rocket boosters for that specific purpose I outlined. The issue with utilising pure HGV without such booster is how much energy they have lost by the time they are reachng their final phase of flight. Iran's Fattah does utilise the lift you mentioned but not extensively like those wedge shaped systems. Iran chose this current HGV version simply due to cost and the ability to produce this in larger numbers. Those wedge shaped systems require more expensive materials. I think ultimately though, the purpose of this system is to bypass air defence systems and It will do that greatly. Add that to the fact these will be produced in large number then you get the picture.