Germany f--ks up an airport project and delays it by about 8 years . we take 25 years to not build a runway.
It has to go to LHR because its the only hub we have and ever will have.
LGW is too far away and very hard to get to, LHR might be not be ideal but at least there are lots of diverse options for reaching it.
Maybe the government are doing it to divert attention from Brexit where they are even more useless where they have done the most hopeless job imaginable whatever your point of view on the issue