You get more then you can dig at so you can pick and choose which ones you dig. not all of them will have enough 'source content' to make it worth your while.
Other reason is likely to reduce clutter by making them despawn over time.
Dig spots don't move and if multiple people are at the same spot you wouldn't be able to find your own spots in the giant mess of green bubbles.
Other reason is likely to reduce clutter by making them despawn over time.
Dig spots don't move and if multiple people are at the same spot you wouldn't be able to find your own spots in the giant mess of green bubbles.
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