This is a good video to learn about earth. I enjoy watching things like this. It is a good way to lose time on the internet. Do you consider what you let your children look at across social media?
It is true, most bullies are insecure and much of what they do has no root cause other than lack of self-esteem. If you are being bullied. Please remember, you do not deserve this. It is not your fault and things can get better. TBH©