In the UK, 'self-harm' is used specifically to refer to what used to be called cutting [one's] wrists. It's not intended to mean any action that has negative consequences for oneself.

The quote about 'This government is determined to keep people safe online,' is a 'we're good people' statement for the media - remember, this is a press release.

Remember, these are politicians: they have no understanding of abstraction and generalisation, and think that generalisation is the act of creating stereotypes.