Like fun? Enjoy happiness? Love yourself? If you answered yes to any of these, leave.
Not hard enough? Just use Prepare Carefully to give yourself 3 in every skill for more realism!
Your faction will be one dying person in the middle of nowhere.
Also, this mod is designed to be hard in the early game, so once you get another pawn, you should be fine.
Remember, Rimworld is hardest when you're one naked ugly lazy colonist on sea ice.