It's possible to get obsessed with anything, but obsession with money is one of the worst. Obviously in the world as it exists now everyone needs some amount of money to live, but above and beyond that there isn't much of a reason to be concerned with it.

Money conceals the social relationships which create it, lossily compressing them into a single dimension. It's a useful invention for exchange of grain or cattle between adjacent villages, acting as a sort of memory aid for mutuality, but its lack of information preservation also makes it easy for people to construct dysfunctional systems and societies.

It's a bit like premature rounding in mathematics. If you round all your fractional numbers then after a series of operations your calculations will turn into nonsense, and something comparable happens to human relationships with money systems if they become too elaborate and opaque.

https://www.youtube.com/watch?v=WOUZxG1JcGI