I had the fond belief that, most of the time, the law required intent. There are a few exceptions, such as child porn (and porn cases in general are full of Police crap). With all the malware and other virus-like downloads going on, even apparently from Microsoft, it's hard to be sure who decided what about a particular file on a user's computer.
And these PR departments seem to be optimised to feed stories to less-than-competent journalists who don't have the wit to ask awkward questions but are just capable of acting as another unit in the internet of things that connects the Police to a printing press. Abd it's not just the Police.