As one example, they (core contributors and founder) were, and still are, very heavy-handed regarding how you are allowed to install their software: https://news.ycombinator.com/item?id=27505277
I was going to purchase a Home Assistant Yellow for my homelab, glad to know I need to minimize my interaction with the project before I pulled the trigger.
Will be sure to inform others using the project about this too, they deserve to know its a risk to rely on a project with such hostile core contributors.