I'm planning to include a free demo for Children of Morn in the future, I just didn't feel like there was enough content yet to make a demo with. I definitely agree that this is an issue.
Viewing post in A Year In Review | What The Future Holds comments
You also are the one making your living from these games, and demos could hurt immediate sales in favor of possibly boosting longer-term sales and feedback, you are the one who knows your back-end, so ignore us armchair shlubs if you need to!
Post from game designer's blog I follow: https://bottomfeeder.substack.com/p/how-i-deal-with-harassment-abuse