Sharer Family - Youtube

[MatchesinEyes23]

DD is a mature almost 6 and has recently discovered the Sharer family - Stephen, Carter and Grace - on YouTube. They’re a family of Vloggers who make videos that seem (to me) to be aimed at slightly older kids.
Have any other parents got kids who watch this and what’s their age? It feels a bit grown up to me, although I’ve googled it and it says it’s aimed at 6-12 year olds.
DD absolutely loved their content and is upset that I’ve said I don’t want her watching it - am I being too strict? It feels like she’s graduated from Numberblocks to this in about a month!