"Crowd control exercise" is not necessarily bad.
If people don't control their consumption, they cause heavy damage to the planet, damage even beyond recovery.
Those interested in survival will limit their consumption so that also tomorrow, and next generations, will have clean air to breathe, good food to eat and clean water to drink.
I agree with the sentiment, but disagree vehemently with the method. People should be given the facts, and make decisions based on those. People should be nice to each other and consume less because it makes sense, not because of a religious myth.
And it heightens one's expectations and aspirations in real life to the extreme.
Believing in rebirth, ...
Belief in rebirth makes a person extremely ambitious.
Hmm, no, here I disagree. The Hindu religion is based on re-incarnation, and had a rigid caste system, and it was pretty unlikely that anyone would change from the caste they were born into. This limits aspirations rather, if you were born an 'untouchable' you are never going to get a better life. Literally people would not touch this caste, so becoming a servant even would be difficult. Of course the top level of the cast system were priests. Religion in control, and subjugating people yet again.