That’s her business, not yours. Unless she came by the money illegally - and we have no evidence of that - she can do what she likes with her money.
Just as you can.
You aren’t the moral arbiter of what the rest of us can do with our resources - and how a busy woman decides to manage her child’s hair is none of your business, either. (If the government tried to judge your financial life that way, you’d scream bloody hell.)
“You aren’t the moral arbiter of what the rest of us can do “
But apparently you think you are.