Yawn.
Shed if you feel so strongly why don't you write to the airport boss, or your MP or the Daily Mail. This subject gets done to death. It's a complete and utter bore off. The 1970s and 1980s are gone for ever.
If there was so much spare space that diversions could be handled at will, the same people would be slagging the marketing people off for failing to get the business in - or some other whinge.
No room on the apron - a nice problem to have.
IMO MAN is prioritizing its own customers and operators over middle aged plane spotters with giddy memories of the past - quite right too.