Plus I would rather pay a little extra (sure it's a pain applying and waiting etc.) for the DATV so I can walk into an airport with a bit more assurance of not having my self blasted out of this world due to some illegaly planted ammunitions.
If the Transit Visa fee is being collected to improve the security then it should be universal for all countries and all Visa statuses including citizens of UK. This is nothing but racism.
I vote for boycott travel through UK.