That's not at all the reputation they have. They've been acting as an extension of the copyright lobby for years:
• https://torrentfreak.com/new-uk-police-unit-announces-two-ar...
• https://www.vice.com/en/article/bvn4nw/cops-arrest-3-people-...
• https://www.cityoflondon.police.uk/news/city-of-london/news/...
There are probably hundreds of instances of them doing stuff like the above, that was just the results from a quick search.