this post was submitted on 14 Sep 2025
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It’s highly context dependent.
In medicine, you face this question all the time. Will a surgery do more harm than good. Can I just leave that person suffering, or should I roll the dice with this surgery? It’s a proper dilemma to ponder. How about this medication that improves the patient’s quality of life in one area, but causes some side effects that are less horrifying than the underlying condition. Sounds like a win, but is it really?
In various technical contexts, you often find yourself comparing two bad options and pick the one that is “less bad”. Neither of them are evil, good, great or even acceptable. They’re both bad, and you have to pick one so that the machine can work for a while longer until you get the real spare parts and fix it properly. For example, you may end up running a water pump at lower speed for the time being. It wears down the bearing, moves less water, consumes too much energy etc, but it’s still better than shutting the pump down for two weeks.
You probably do this all the time without thinking much about it. For example, updating mains-powered devices without UPS. There's a chance the power goes out and something gets screwed up.
Yeah. Roll the dice, hope for the best and all that. If power goes out, you could be looking at several days of troubleshooting, but it is unlikely to happen.
On the other hand, you could get that UPS, but that’s going to take time, and the server really needs those security patches today. Are you going to roll that dice instead and hope nobody tries to exploit a new vulnerability discovered this morning?
Either way, it’s pretty bad.
"lesser risk" is a lot different than "lesser evil"
so is "higher cost"
yeah I was unimpressed with those examples. usually its something where you have no real choice.
Yeah, but depending on where you live that would be a freak accident and not something worth considering. In my entire life I have never experienced a mains power outage, it's not really a thing in Germany
Yeah, where I live it happens like once every two-three years, usually during winter storms so it's easy to avoid doing it then.
In medicine you chose the best option not the lesser evil
The way I see it, that’s just different wording for the same thing. More patient friendly, for sure.