Yagoo says that Hololive will "look toward having more talent that can play games that are popular in the US," like competitive FPS games.

The goal, as I understand it, is to have Hololive vtubers cultivate an audience tied to specific genres or games like any other steamer on Twitch and to let that lead to sponsorships and collabs in the future.

source:
https://www.pcgamer.com/gaming-industry/death-stranding-2s-vtuber-cameo-is-only-the-beginning-of-more-anime-girls-appearing-in-your-favorite-games-hololive-ceo-says/