Probably collective void speach)) But it's understandable. Demo maid in a way were you can see cards that you can't use. And many people don't want to pay - which is also totally understandable, since there is no return money like in Steam. People wanna know what they paying for... But dev made Demo exactly for that reason. It shows perfectly what game is about.Alot of code sharing comments. Is that actually happening or are we collectively yelling into the internet void?
But again, i don't know if there a "buy" button on itch or somewhere, otherwise staying supported to get all updates of the game can took extremely long time.