Just to share my experience. I was part of r/HomeAssistant for a year or so and I had no effing clue what it was or what it does. One day I was scrolling through YouTube and there was a guy talking about HomeAssistant. Only then I realised this is not some "Alexa/Siri" kinda home assistant. This is a home automation kinda thing.
Haha, I still laugh at my self for being an idiot for the whole 1 1.5 years.