Sure. Would it not be better to earn a living while contributing something that everyone can benefit from, instead of the selected few?
If you do what you love, then sooner or later there will be someone who will be willing to pay for that.
We like to think that our society encourages helping your neighbor; but each time we reward someone for obstructionism, or admire them for the wealth they have gained in this way, we are sending the opposite message.
Money without brains is always dangerous.
The price we have to pay for money is sometimes liberty.
There are people who have money and people who are rich.
You would if you could but you can't so you won't.
Free Software does not mean you have to work for free!