Generally I'd agree fixing bugs would be good but, using the area in front of Hivery Towers for example, if a bug takes way more effort than the intended path (to a beginner) I'd say leave it in. If the above is the example I think it is at least. I tried about ten times to run up the railing next to the "slide ramp" in the tutorial zone and always fell off the railing into the green muck. I feel like most beginners would just go left, learn to crouch, learn to swim, and learn to tail attack instead of trying to run on the thin railing.
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