I have been playing for over a month now, and i really enjoy this game like i did with minecraft. I am a sci fi fan, so i think i will get more play time out of it than i did with minecraft.
That said, I got bored with minecraft after 6 months. Now, a few mods resurrected minecraft for me. the biggest one being dragon block c.
The reason was because it made punching things fun. I also found dragon ball to translate very well into minecraft. Goku punches trees to cut them down, gohon made a boat in one episode to go home, gohon's training involved surviving in the wilderness. All these things are very minecraft, so this mod made added a lot of levels to minecraft, not just the rpg element(punching stuff gave exp, not the kill, but the act of punching!!!)
Starmade is not minecraft though. For one thing, the scale is bigger, there are more blocks, logic is easier and does more, more ore varieties, block shapes determine output, and you build ships instead of houses, and the ships do stuff.
But i also feel that the game can benefit from an rpg skill system. I am not asking for huge bonuses, but tiny bonuses. Like a gunnery skill that lowers cool down time a bit, a pilot skill that helps turning a little, things of that nature. I feel that this would add some more play time to the game. It would also give a better feel of immersion. The pilot goes from being a poor bum to becoming a feared force to be reckoned with.