We luckily have better treatments available for almost every scenario, but it’s definitely still a tool in the toolbox. Same with electroshock therapy. We can be thankful for advancements without being dismissive of some of the less ideal steps along the way.
"[P]refrontal lobotomy ... has recently been having a certain vogue, probably not unconnected with the fact that it makes the custodial care of many patients easier. Let me remark in passing that killing them makes their custodial care still easier."
I've studied medicine but i'm not aware that it is still taught as a "tool in the toolbox" in the modern medical community.
Disclaimer: I am portuguese.