If your community serves a purpose and has a well-engaged audience then it adds value.
There are lots of 13-19 year olds supporting Twitch creators via subscriptions and donations, don’t automatically assume that they wouldn’t be willing to make a small contribution to your community so that it can stay online. You’ve nothing to gain in dismissing potential revenue sources out of hand, particularly when the trends within the industry indicate otherwise.
Think of some perks that can be offered on top to subscribers, a special title something else which conveys status. People love that stuff.