Reading the article I don’t see any support for your argument. It just seems like a arsenal strawman.
The article talks about getting more young people into political positions, and about having politicians generally stay in office until they die of old age is causing political stagnation.
It’s not like it argues you can’t serve past a certain age, just that it shouldn’t be an exclusive old-people’s club.
I think the “11 year old killed” part is the one that should make you feel bad.
The influencer part is pretty irrelevant to the overall issue here, even if it might be relevant to other aspects of the story.