You might be reading this through your own filter. It's an overloaded term right now but I took the parent to be referring to actual violent radicalization which is a real online threat: https://rcmp.ca/en/corporate-information/publications-and-ma...

(Forgive the link source - I can see in hindsight how that might not be perceived as the most objective source - but there are many other sources for those who care to look.)