If you read the article it’s pretty clear this is greed and short sighted thinking

> While understudied, the incentives for the use of dangerous dynamite fishing are often falsely attributed solely to poverty and desperation. The cost barrier to buying boats, bombs, and detonators means it’s more likely a practice for middle-income fishers, according to experts.

“A combination of factors drives blast fishing, including ineffective enforcement and management,” said Hampton-Smith, highlighting how indiscriminate the explosions are, killing all manner of species, regardless of age, size, or intent.