This is not a problem to be solved, instead it is an opportunity cost to let this slide.
It is a way to exploit the natural structure of the horror genre gaming community's focus.

A character based on a popular twitch streamer is a direct nod to the community, another approach to engage with hardcore gamers, an immersive experience for the thrill-seekers, an automatic marketing strategy that brings new gameplay, and a versatile tool to potentially counter new killers.

It could become a yearly theme that attracts more streamers and with them a larger audience.