Vivid post. The worst part is that it doesn't stop there. The cancerous rot we introduce doesn't just die off when it has destroyed its feeding grounds - it migrates to "greener pastures" in search of easy pickings, invariably nudging out the residents in favor of the parasites.
They spread to greener pastures as the American population declines - and local governments look the other way because they don’t want to rule over empty housing and empty schools. Half the public schools in my town of 40,000 would close if immigration laws were enforced.