I was never an expert on that tactic (I believe Wyndstar was its most prominent promoter), but from what I understand, it relied on using focus to either build if you were going all labs, or to research if you were going all factories. The all labs and all factories methods have been nerfed in Twilight, so they are less efficient than they used to be. In DA I used to go all labs in small and tiny maps, all factories in larger maps. In Twilight I've gone over to a mixed method where I build both labs and factories, often specialize planets based on bonus production squares or colonization event bonuses, and tend to optimize the sliders each turn. I've found that approach has gotten better results for me than the methods I'd used in DA, but better players may have found different results.
I know you are a fan of both the Altarians and the Drath, so here is a related idea you might try (works a bit better with the Altarains, but not bad with the Drath): Take +25 creativity and +20 research in race design, research Xeno Ethics followed by Righteous creativity immediately following the initial colony rush, then adjust your sliders so that you have the lowest percentage allocation to research that still gives a time to completion. Select the most expensive research project available, or research a target tech tree branch up to a point where the next one is very expensive (Star Federation, Total Majesty, advanced colonization techs, Industrial Centers, Stock Exchanges, etc..), then focus entirely on factories, counting on creativity to give you 1-3 expensive techs each game year. You're not over-building your labs most likely, as you'll still want them later, but it's a similar thought I believe. Seems to work halfway decently, though there are probably stronger approaches.