Let's start removing "old" from the list of things we want to filter out of our workforce. Age discrimination is real and it surfaces in the most insidious ways such that adding it to a list of negative traits just seems natural.
If so, do you think there is an innate difference between old unmotivated, change resisting programmers and young unmotivated, change resisting ones, or could your attitude towards the two groups be different?
Right now this is very vague and it sounds like you’re facing an immovable obstacle.