That's the problem - your expenses (salaries, rent, hosting, etc.) are paid in USD.

Meanwhile, your revenue is in ETH.

Even if you can maintain the same volume, your revenue can drop drastically if ETH price drops.

A 100 ETH sale earns you 2.5 ETH. In January, this was worth $7.5k. Now, its worth $3k. Your revenue dropped by over 50% but your expenses are going to stay the same.

I can't see how the economics of businesses like this can work out.