The game is currently unfinished. There might be future content that will require a restart. Is it worth putting in the resources required to put that in currently instead of continuing to work on the game and adding those things when a 1.0 version comes out? Could be a simple change, or could cause the entire code to become spaghettified. I noticed an added lag after selecting choices with this current update for instance. If they stop to take into account every option for a save file to carry over to the next version perfectly, it would slow down progress as they do that for every future update they make.
To answer your question however, I'd say it's definitely possible to do.