The main benefit of being T-shaped is that you can innovate more effectively within your area of (deep) expertise. Since you have a good understanding of the so

The main benefit of being T-shaped is that you can innovate more effectively within your area of (deep) expertise. Since you have a good understanding of the solution space and a “good enough” understanding of the problem space you can search from both sides so to speak, finding the most valuable problem that can be solved economically. It’s very hard for an I-shaped engineer working with a (problem) domain expert to be as innovative: no matter how much they communicate it will always be a tiny fraction of the internal bandwidth of a single brain.