Why? Im not interested to answer why our router is not capable of that, and there is no such router in the market. But on a serious note, some enterprise networks are unsecured enough, that you could probably login to root of their server from anywhere in the world.

CW: TV Tropes...

https://tvtropes.org/pmwiki/pmwiki.php/Main/RuleOfCool

Unless the bank has a 43km perimeter with trenches and guard dogs, why doesn't he just move closer?

Uhh, maybe a believable plotline like "Because the protagonist lives on a crumbling bridge with a military-trained dolphin encircled by cyborg psychopaths and Japanese megacorp military types while a highly infectious disease ravages remnant humanity and it's the end of the world?" https://www.imdb.com/title/tt0113481/

Hah! I only just watched that again a couple of weeks ago. With every re-watch I'm reminded of how terrible that movie is, and with all the passing of time between re-watches my memory of it continues to improve it until it seems worthy of another re-watch, and then I'm disappointed again.

Well, obviously.

Maybe the hacker is in a completely different country, where prosecution would be difficult.

I wonder what feats such a hacker could pull off once they hear about the internet.