I think if you are struggling through no fault of your own, he can afford to help but chooses not to then, he’s just mean and greedy. I would do anything to help my children if they were in need even if I could barely afford it.
Now where someone has received loads of help, never appreciates it, wastes it, or their problems are fully of their own making, or the parent can’t really afford to help then I would say that it was grabby.
My friend has divorced parents, her mum was poor and unable to work, her dad had loads of money and investments, a 6 figure salary, huge final salary pension. Of course it was her mum who somehow helped her with a rental deposit when she left uni. One time she was telling her dad about how she had no money that month because her car had failed it’s MOT, he listened and then proceeded to tell her how excited he was about his new car (a THIRD car, he already had TWO). He was greedy as it was little money to him that she needed to get the car that she needed for work through its MOT, but it was a lot to her.
So it’s very much context.