Evidence suggests that, on average, behaviour interventions can produce moderate improvements in academic performance along with a decrease in problematic behaviours. (educationendowmentfoundation.org.uk)
The amount of success varies — some pets show little to no improvement, most show moderate improvement, and some seem to respond with a complete cure. (petpeoplestores.com)
Weakening those allies by the US for moderate improvement of relationships with Iran is presumably not considered as worthy. (politics.stackexchange.com)