Parents haven't caught up with how their kids interact with the world. Social media is huge for teens and internet which only now some parents are catching up to but they are on Facebook and Facebook is cancer and no one I know in younger generation uses it. I think they are exposed to a lot more information and their parents or schools are unable to help them process it.
Kids are uncertain, worried about things their parents can't relate with. Imagine feeling down because your online account got bullied by other adults on reddit because you expressed a perfectly normal but dumb opinion. People don't think about age when they are typing a response online, they just think the other person ought to have "common sense".
Few are forced into linkedin/other cancer and build online presence because they think it will lead them to more opportunities and they are probably not wrong. Various recruitment agencies seems to have gone fully online with social media/email spam.
Twitter is not healthy for a teenager. Linkedin may not be either (I saw some insane CEO posts). I mean, to give you something to compare. Have you seen marketing posts with misleading titles such as $100 and 6 months for a 3000% return on customer acquisition? (Which turned out to be fraud and fabricated). Huge amount of fabrication in their idols now. They cling to youtubers, Elon Musk, and all the exceptions. Their feed is full of them while seemingly their irl interaction is less than ideal.
Some will have a distorted view due to huge differences in the life they live online and people they interact with. Previously, it was less visible as people tend to live in the same economic class neighborhoods.
They will know about all the countries with things they can't have in their own. They will be more aware of it but they lack any political power and position to change things affecting them.
Surveillance is pushed on them involuntarily which tends to change their behaviour and normalize a specific corporate personality over time. Compare that to being in open office or public speaking 24/7 of your life.
Misinformation is pushed from top to bottom instead. I think it was always like that but now kids are more aware, they will feel remorseful and insignificant if they can't do anything. Imagine having parents believing insane rumours on Facebook and stopping you from getting vaccinated. I haven't seen many kids who are anti vaxxers but I have seen enough adults.