The problem, and what bandushrew is saying, is that purposes can be flexible. Once a system or method is legitimised, legalised or even routinely used it can be

The problem, and what bandushrew is saying, is that purposes can be flexible. Once a system or method is legitimised, legalised or even routinely used it can be repurposed for other means. That's the true message of the OP's post - the "coming for" is the method in this case, while the people listed are the individual purposes.