How would we feel if you could pay extra to smoke on airplanes? When we decide something is a bad idea in general for society, we don't want the rich to be able to buy their way out of it.
Water is a means to an end, not an end in itself.
This isn't about 'causality' but about 'influence'. The evidence is clear that human-induced climate change is influencing the drought, no matter the cause.
It's great that it's raining. But people should not assume that a little bit of rain is going to solve our problem.