To be frank, his advice can be generalized to "Don't step on other people's role", be it code or other tasks. Even though you may be more competent or capable i

To be frank, his advice can be generalized to "Don't step on other people's role", be it code or other tasks. Even though you may be more competent or capable in performing the said role, the resulting repercussion will usually be very ugly, and you won't enjoy going through it. Speaking from my 10 years+ experience from an innocent technical nerd to a multi-region Project Manager.