The only thing I've seen recently different than what you're doing is that the videos my wife is getting served currently with AI voiceover have moved on from the Minecraft/random game background, and are currently serving various (usually AI also) images as the background. I'm not sure if you want to look into following that trend. I'll find an example...
https://www.tiktok.com/@cojovi/video/7333241313690733866 These Veggie Wars follow the current trend I've been seeing. I'm not sure how easy/hard that is to replicate, but it may boost follower ratio so I thought I'd mention it.