I tend to categorize these under a dutch idiom which I can’t describe, but which is abundantly clear in pictorial form:

https://klimapedia.nl/wp-content/uploads/2020/01/Dweilen_met...

"Treating the symptoms not the cause" would be the english equivalent.

(for others: the Dutch expression is "Dweilen met de kraan open", "Mopping with the tap open")