The analogy is tempting. But gym training isn't what work is. At work the goal is not learning - it's delivering value.
Doing weights is not the same as say, updating the gym with shiny new weights; or migrating all the weights in the gym to metric. At the gym, if the current weights need to go and new ones installed, a forklift will one-shot it.
Seeing the difference empowers you to choose the right approach for the right situation.
Indeed, that's what I was getting at in my last paragraph. Businesses invariably determine that speed of delivery is a superior metric to optimize for, rather than learning and maintainability. In academia the situation is not so clear cut, but there are still powerful incentives to deliver faster. We'll see what happens.
Doing weights is not the same as say, updating the gym with shiny new weights; or migrating all the weights in the gym to metric. At the gym, if the current weights need to go and new ones installed, a forklift will one-shot it.
Seeing the difference empowers you to choose the right approach for the right situation.