While the game is most certainly garbage, if you're very first 4x4 room is taking you 2 days to dig out, you're doing it wrong. If your very first block is taking hours, maybe you shouldn't be starting off trying to dig out fortified rock from the get go.
Now don't get me wrong, it's still a money grubbing scam of a game that I stopped played long ago, but the scam doesn't really kick in until day two or so, for the first little bit you're presented with plenty of soft dirt and quick build stuff that tried to get you thinking you might be able to have fun with it before these problems shouldn't present themselves later.