If you're not Dijkstra then you're considered harmful if you steal his valor in your title.
“Considered Harmful Essays Considered Harmful”.
https://www.infoworld.com/article/2160788/why-extends-is-evi...
https://www.infoworld.com/article/2161183/why-getter-and-set...
Especially considering that Dijkstra didn't even coin the phrase himself.