Yoshi P in a nutshell

[Koros]

structural changes to their database, code, UI, and texture data

something interns can do, or do you think modifying a struct in C# is some nigh-impossible task? the undergrad interns at Google easily deal with far harder tasks than anything in CBU3.

It's kind of sad that people think game dev coding is hard at all, no it's not, which is why we have specimens like Undertale's developer coding dialogues with

if 3232: print("literal string containing dialogue 3232")
if 3233: print...

for thousands of lines.

Of course, sadly Japan has a brain drain problem where its smartest people emigrate since its economy is in the gutters and it's work culture is a relic from chimp age, so even if they tried they couldn't do better anyways.