Carrying capacity is a scientific concept. It is not a hard limit, but it actually exists. And it's not reactionary to tell people to have less kids. China's one child policy was massively beneficial for them, their population would have benn 500 million higher without it. Do you think it's reactionary when South Asian and African countries encourage family planning on their accord? Rapid population growth, in absense of sufficient economic growth, is abolutely a cause of poverty. That's the main fucking reason why countries practice family planning. The solution is good governance, family planning, women's rights etc. Just because fascists say poor people should be killed doesnt mean overpopulation isnt a problem. Fascists always do this shit where they take legitimate problems and prescribe psychotic solutions. The correct response is to respond with the correct solutions, not to deny the problem altogether.