Answer: They all have fewer residents than Ealing! With over 300,000 residents Ealing is a very large UK town. As such, one might expect the town to have significant cultural, sporting, transport, healthcare, public safety and educational facilities.
Of these communities listed above which have smaller populations than Ealing, some have their own famous universities, major concert halls, Premier Football or Rugby clubs, significant museums, best performing hospitals, re-built railway stations and new Police Stations. Ealing has none of these!