Go anywhere in the world and there are takes of other cultures food, I don't think i have been to a street food market in the world where the food hasnt taken a twist from the original.
I doubt BrickLane Curries are anywhere near the same as they are in India, infact I know they are not.
Because of the filter on this forum, I initially read that as "Sh1tLane Curries" -- I thought, "I don't want to eat there."