he accomplished little due to the mismanagement of his energies.
Examples of mismanagement
mismanagement
Thanks to its own mismanagement and lack of foresight, Wall Street landed on us.
From the newsweek.com
In 2005, a Utah judge took control of the UEP amid allegations of mismanagement.
From the dallasnews.com
The funds have accused CSX's board of mismanagement and misleading shareholders.
From the investors.com
It was placed under court management in 2005 after allegations of mismanagement.
From the sltrib.com
Corruption, economic mismanagement, repression and instability will proliferate.
From the economist.com
The bill for years of mismanagement has come due just as crucial elections loom.
From the economist.com
If true, it would be an indictment of the mismanagement of the industry in Peru.
From the economist.com
For years, feuding and mismanagement have strangled attempts to improve service.
From the sacbee.com
This latest theory, however, isn't necessarily evidence of NASA's mismanagement.
From the time.com
More examples
Management that is careless or inefficient; "he accomplished little due to the mismanagement of his energies"
(mismanage) manage badly or incompetently; "The funds were mismanaged"
The process or practice of managing ineptly, incompetently, or dishonestly
A collective term covering acts of waste and abuse. Extravagant, careless, or needless expenditure of Government funds or the consumption or misuse of Government property or resources, resulting from deficient practices, systems, controls, or decisions. ...
Hash officials; sometimes elected, sometimes appointed
Really really stupid actions, plus quite possibly some obfuscation to save face.