Not quite sure I follow. Yes, bad is subjective, but how would only offering all possible planets at the end be better design? Maybe there are some people that prefer that all harmless planets are, for example, garden and all extreme planets are, for example fire worlds? I find it very hard to believe that most people would prefer all extreme planets to have the exact same environment instead of like an extreme forest or something, but there are exceptions. I can understand all harmless planets being garden though as you don't want to expose the player to too much at the beginning, but would it not make more sense to expand planet options per difficulty tier as opposed to keeping all forest, desert, etc. planets as mostly harmless and having the only extreme planet be that fire world? Are you saying you are one of those exceptions and prefer a lack of variety before end-game?