Over the next three and half months, between $500 and nearly $900 was missing from the federal public service employee’s monthly earnings.
I've been there. Fresh out of college, I was operating on about $2200/mo and zero savings, because, well, college.
I assumed I'd be able to find roommates, so I was paying $900/mo rent. It was a very nice place, and my assumption that finding roommates would be easy was entirely wrong - so rent was nearly a whole paycheck (twice a month, just under $1100/paycheck). Utilities were all on my dime, and even though I kept the place damned cold in the winter (45F on the thermostat), I was still spending over 50% of takehome on rent and utilities.
Things were pretty damned tight. I ate a lot of ramen, and I had vehicles, but they weren't the most reliable things on the planet. I was frequently working on a car late into the evening so I'd be able to get to work the next day. When you've got a serious coolant leak in the dead of winter and it's too cold for the motorcycle to start, you fix the problem. Even if you can't feel your fingers.
If I were missing $500/mo, I probably could have stretched things for a month or two. If I were missing $900/mo, there would have been no way for me to come anywhere close to paying for everything I needed. I literally wouldn't have anything after rent and utilities.
I don't know the guy's situation. But depending on where one is in life, one may not have savings to fall back on.