Writing film scripts is the hardest thing in the world. A script has to go to five or six drafts, and you need the feedback of other people and to keep coming back with a fresh eye, honing it down.
There are very few people who are Asian who have the kind of global reach that I have, not just with Asians but with non-Asians. I've worked hard for what my name represents, my brand, not just in Britain but around the world.
You'd be surprised how hard it is getting the human emotional arc in a script to work. Ultimately a director stands and falls by their ability to do that.
The fact that it's hard to create an original British musical doesn't mean you shouldn't try.