Like I’m glad people aren’t playing the game and the spoilers thing is ? praxis, but I don’t think the boycott is going to affect her royalties in any noticeable way, at all.
The details of her deal are private, but most of the time royalties are paid as an advance. This has the effect of 1) hedging for the IP holder by providing a guaranteed income and 2) creating some buy-in for the developer to respect the IP.