There is however one thing that is definitely NOT wrong with exploration, and that's money.
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But secondly, I don't even understand where all the cries for balancing credit income come from. Yes I know, it's psychology 101, but what does it bother me if someone else earns more money than I do as long as I earn enough and have fun doing it? I see no gameplay related reason why different professions should be balanced in payment.
I agree with this sentiment, but I'd go further and say that making exploration
too profitable would actually be a bad thing.
I enjoy exploration as it is now, because I find wandering the universe and discovering new things innately enjoyable. It is slow, but I value that slow pace as a relaxing way to unwind after a busy day. I don't need every moment to be busy (in fact I value being able to read a book while travelling long distances) but I do think there needs to be more depth in the gameplay — more things to discover, more options when something interesting is found (if I discovered an Earth-like planet, I'd want to know a lot more about it...)
What would ruin exploration for me is if everything nearby is already explored. That's presumably what would happen if exploration gets boosted too much and it gets more profitable than other options: the minmaxers out there would write forum posts explaining how to make megaprofits from exploration, and lots of people who wouldn't otherwise enjoy exploration go do it because it makes them more credits. That's a bad outcome for those players, because I think they're missing the point of exploration if they're only in it for the money; and it's a bad outcome for me because I'd have to go further and further out to find anything left to explore.