I am only commenting on senior developer usage. The important aspect to consider is that F12 does not usually answer your immediate question, but just dumps yo

I am only commenting on senior developer usage. The important aspect to consider is that F12 does not usually answer your immediate question, but just dumps you somewhere closer to what you are looking for in a disoriented state. You now need to figure out what that place is and start looking for the actual thing you needed there. When I click twice in my sidebar to open a folder and file, I am already fully aware of what is going to show up - e.g. "implementation XYZ of interface ABC". There are some cases where F12 is faster - specifically when you needed to just read a few primitive lines of the method body you opened, which requires no additional context. That's rarely the case though.