Glad to see you're back with this vid. Speaking of which, it does help establish for why would one want to care about Rusty and how he started out before he became Firestar. It can also serve as a guide for how one should establish their protagonist right off the bat.

Here's mine to add, if you wish to know how not to establish your protagonist, the Ergaon Sporkings wiki provides a good example of how not to start your protagonist off.