[sgt101]

One problem he doesn't account for is that the community of users is often diverse and therefore ui complexity gets driven by corner cases. Often teams will start out with a visionary who holds the line for a while but gradually the pressure to add another bell or whistle increases until it is impossible to resist. For example coversion rates; if a feature is shown to drive up conversions by a small amount it will tend to get added, it doesn't take many of these discoveries to ruin an interface.

[roled8]

Conversion and user engagement features as well. It's good for the product to have a user spend more time on it