CPU mining is notoriously unprofitable. If you got every single Firefox-running desktop to mine Monero or some other coin that can be CPU mined, you'd be lucky

CPU mining is notoriously unprofitable. If you got every single Firefox-running desktop to mine Monero or some other coin that can be CPU mined, you'd be lucky to break a couple thousand dollars a year. This would be at the expense of wrecking batteries, wrecking SSDs, and annoying all users.