The full GTA V source code has been leaked The leak contains GTA V source code and stuff from Bully 2 and GTA VI Leaked in a discord server by a random British guy in the 360 modding community known to get sued by Rockstar multiple times
"Now i am expecting a open source version of gta to arrive soon on linux natively . Tired of playing supertuxcart."
Here is the source. Another one.
They will also recognise how much of a potential threat he is.
The suits absolutely do run the security teams. Very indirectly, but they do. The suits are the ones security teams have to persuade to get any sort of funding and they can and will veto a hiring decision like this.
You are correct that in most places, the suits do not usually directly intervene. Usually there is a lead guy in the security team that handles the conversations with the suits.
In a well functioning security unit, there is some trust there but not nearly enough to hire a kid like this. A veto is seen as a politically risky manoeuvre for a suit but it would absolutely be pulled for the prospect of hiring this kid, with some frankly compelling justification that any team lead would find nearly impossible to get around.
I've worked in several corporations in several security teams in the past, some amazing, some god-awful with insane suit meddling.