The frequency-centered SLA theory claims that input frequency is an essential factor affecting L2 acquisition order and determining the productability of language constructions.
We think, by studying how the sounds are learned, we'll have a model for the rest of language, and perhaps for critical periods that may exist in childhood for social, emotional and cognitive development.
Once you've trained your brain to think and process in this way, it's going to be so much easier to pick up vocabulary, and also to identify where your vocabulary is lacking!
However, finding a balance between team efforts and individual projects that give you independent recognition is important for making a name for yourself and providing opportunities for advancement.