The West team is then much closer to regular West players (+ Emmet who I'm sure will object to any affiliation). We have less but I can think of other people (ElGuapo for example) who I'm sure would be happy to represent West. Plus the South team seems more distinctly 'South'. Less teams means longer games as well which makes the bigger teams more justifiable.
Bored so I had a go.
You can get 5 teams like this:
East Hackey - 10 players
North Hackney + Haringey + Waltham Forest = 9 players
South - Lewisham + Southwark = 10 players
Tower Hamlets = 10 players
West - Hammersmith + Hillingdon + Lambeth + Richmond + Sutton + Wandsworth + Westminster = 8 players
The West team is then much closer to regular West players (+ Emmet who I'm sure will object to any affiliation). We have less but I can think of other people (ElGuapo for example) who I'm sure would be happy to represent West. Plus the South team seems more distinctly 'South'. Less teams means longer games as well which makes the bigger teams more justifiable.