I'm recycling my reply which I used to answer this same question above:
`Well, there is the problem of post age, a question/answer will expire from earning 7 days after it was posted, so in the spirit of the blockchain built on creating, re-opening questions is understandable.
Just like on the main STEEM platform, the 4708th post about the same thing becomes a top earner for the 4708th time ;)`
I'm recycling my reply which I used to answer this same question above:
`Well, there is the problem of post age, a question/answer will expire from earning 7 days after it was posted, so in the spirit of the blockchain built on creating, re-opening questions is understandable.
Just like on the main STEEM platform, the 4708th post about the same thing becomes a top earner for the 4708th time ;)`