This is how I play Endless Space with my custom Sower race. It works very well there due to their traits. I have not tried it in GalCiv3 yet, however it is food for thought. The advantage of this style of play is that you can shift your focus very rapidly depending on what you need. The disadvantage is that the direct manufacturing -> Food/Science/Income carries innate penalties.

Its not that easy anymore,

right now projects just add a % Bonus, and 1000% of 0 are still 0,

Anyway without the wheel its pretty obvious that we would change from a planetary specialization to a global/civ-wide spezialisation

GalCiv 2 was the same, the best strategies were full-lab and full-factory