Yeah the developers are themselves just workers that don’t profit no matter how well the game sells. Some might incidentally hold some shares in the company they work for but it’s not big money. They aren’t the board and they aren’t the primary shareholders.
People like being known for having a hand in the Big Game of the Decade. People who worked on Skyrim have that as part of their resume and can point at it and gloat about this crazy thing that is beloved by many.
Conversely an attack on a game they had a hand in developing feels like an attack on their own capabilities — whether or not that has anything to do with it directly.
He’s afraid he’ll be martyred. Don’t forget, Navalny returned to Russia willingly right after releasing a documentary on Putins secret mansion. It was allegedly to put Putin in the awkward position of choosing between keeping an opponent with popular support alive, and killing him and potentially motivating the masses. Locking him away somewhere distant and keeping him there until he’s forgotten about is probably the best way to get rid of him. I’m pretty sure most Russians know that the legal system is a farce.