It is an interesting post and certainly a concern around automated law enforcement in the future. That is certainly something folks need to keep in mind.
There are some skeptics breaking down that article however.[1] I am not saying I agree or disagree with their analysis. It is still very much a concern even if that article chose the incorrect examples to use for their thesis.
[1] http://skeptics.stackexchange.com/questions/22530/does-the-a...