Min maxing is a game theory strategy (mathematics). Coincidentally useful in games and other competitions. It involves a reward and working your resources to max out your winnings while minimising the opponents’. The min max approach to a genie wish that gives you a thousand dollars but someone close to you you hate a million is to not take the wish.
But I think here who you were responding to is talking about the colloquial term: doctors focused on becoming (good?) doctors in detriment of every other skill. I personally find we in the sciences often disregard social skills too far, academically and at times professionally.