I would be concerned about the safety of eating hobbyist fish. I've read that some medications (malachite green for instance) can stay in the fish tissue for years and are not safe to eat. Some of the medications I use specifically say on the label that they are not to be used on fish intended for ...

As a long-time aquarist (42 years), I'm familiar with this issue. My personal preference would be for the local stores not to carry any "tankbusters."

But since it does happen, I'm really curious to know your perspectives on how best to handle "rescue" fish. I sometimes end up with tankbuster fish ...