Some but not all links are affiliate links.
Even you can send them to others without revealing your real identity just for the sake of generosity and kindness.
If you open stream gifts live, use a sharpie to mark out your address on the packages first.
Some streamers post photos or streams of themselves picking up their mail.
Friends and Family Scams Paypal exists to make money, and as such it charges fees for the transactions that take place using its service.
Real Simple may receive compensation for some links to products and services in this email on this website.