No need to fight for tokens recognition.
It dramatically decreases expenses for keeping token serving infrastructure.
There is no need in bureaucracy or adding project to listings. Placing tokens on external exchanges is not needed anymore. Developers are working on their product only.
High liquidity of token.
Risks diversification for investors.
ACO is very handy for splitting funding on several rounds.
The ecosystem provides ability to cover failure of one project by success of other projects. So, failure will not make a critical financial damage to WeAre token holders. Also, this will happen because the token will still be needed for payments and making investments to other projects.