Reading between the lines it looks like the ICO wants to act as the age verification czar rather than staying in its lane & leaving that to Ofcom; I wonder why… but I suspect it’s a lingering hope of one day being giant-killers.

The … (ICO) said on Monday the investigation was in response to “growing concerns” about platforms using recommender systems to serve teenagers inappropriate or harmful content. The ICO will also investigate platforms Reddit and Imgur over their use of children’s personal information and age assurance measures.

https://www.politico.eu/article/uk-watchdog-probes-tiktok-over-childrens-data/