We can give 2% of our income tax to any non-profit organization we want (you just write in their names and their trade register number) in my country. If you had something similar, government could easily defund Planned Parenthood and those willing to do so could choose to delegate their XY% of their income tax to non-profit that would pay for abortions of those who can not afford it. I would rather give it to elderly veterans or orphans but that is me.