"Unwise use" refers to a behavior or action that is not smart or sensible. It suggests that something is being used or done in a way that could have negative consequences or be considered foolish. Full definition
In turn, citizens must play a role in reporting the alleged unwise use of power which does not respond to concerns by citizens to investigate and change the ways in which it carries out its executive function. (slaw.ca)
In opposing the measure, Senate Republicans said the proposal was an unfair and unwise use of taxpayer money for political activity. (nystateofpolitics.com)
The riches of the soil can be exhausted by greedy, selfish, and unwise use. (firstthings.com)