It seems like the prevalence of modified router firmwares (and botnets based on them) should make it clear that firmware modification is A Thing That Happens(TM).
It seems like the prevalence of modified router firmwares (and botnets based on them) should make it clear that firmware modification is A Thing That Happens(TM).
And these were, more or less, student side projects.
"Piracy and cheating" isn't always a gateway to serious programming.
Exploring the software on your purchased devices can be a gateway to serious programming. What you call that process is subjective, but arguably not piracy and cheating.
Of course the other evidence strongly suggests that this group is NSA-employed, but the real reason why their malware is so much more sophisticated than anything else out there isn't that nation states have staggering amounts of resources, it's simply that normal malware doesn't need to be sophisticated.