[D] Is the topic of your ML PhD important?

I read the previous discussion on whether a PhD is required in the field, and I had a follow-up question: does the topic of your PhD matter? So let’s say you finish a PhD in the field of medical machine learning (non-CV), would an automotive company, FAANG, or e.g. DeepMind still like to hire you once you would like to switch your sub-field a bit? Or are you simply less desirable than a candidate without a PhD but more experience …

automotive deepmind faang machine machine learning machinelearning matter medical phd