To get good game in the top you need 30 people and 3 years, that's what they actually think in average-sized gamedev companies.
We exist in space of indie gamedev, where everything is a miracle.
Ok, imagine very nervous person who can't do any…
When player changes skin, everyone who seems him has to download extra info, it it weren't cached before. We can make it later when we'll be sure that its not affecting the game