Consider counterproductive.
: thwarting the achievement of an intended goal; tending to defeat one's purpose
I helped him cheat his way through college, which turned out to be counterproductive, since now he has no job.
Consider counterproductive.
: thwarting the achievement of an intended goal; tending to defeat one's purpose
I helped him cheat his way through college, which turned out to be counterproductive, since now he has no job.