I'll give you the benefit of the doubt and answer the question honestly. Assuming we're talking about a country where "The Government" is pretty well behaved, said government doesn't put that money in its pockets. It makes it work for the people it represents. Working for your money and becoming filthy rich is fine. But when you die, you die. None of that money is yours anymore, because you no longer exist. We, as a society, are free to decide what we do with what's left of you and your belongings. In an ideal world, we can use that to better the lives of others.

Unless you were a truly stingy person in life, your affluence will have already have had huge positive impacts on those near and dear to you. Once you're dead, why should they be any more important than any other person?