As you said, the purpose would be enough if it's just about being content in life. But we all have different purposes and ambitions.
But if BTC's price will surpass half-million dollars, there could be a chance, I have seen many threads talking about how much BTC you can build or purchase a house, other said 1BTC is enough for them and probably this will depend on which country you are. However, I will rather hold my BTC and wait until when it will up the price from which I purchase.
With that amount, you can start your own good life and you're going to work a lot everyday but just to be wise.
You have to let it grow so that you're be living a decent life without being stress with your bills.