If you can start a good business using bitcoin, that is a good reason to leave your job. It is way better to be your own boss than an employee. In our country, at the current price of bitcoin, some signature campaign can earn you more money than the minimum pay on a day job.
But the question is that signature campaign be sustainable? There are signature campaign that can run for a long time but most signature campaign just last for a weeks. So you can't just rely on signature campaign, you still need a stable job and just used your bitcoin earning just to add a little money on your pocket.