We're very sorry that this keeps happening. We're working hard to combat this problem on Magento.SE.
The question (which was linked as a duplicate) was removed from the comment history. This is the question which was incorrectly marked as a duplicate:
Is Magento ready for PHP 7?
This question is problematic and has been the focus of a number of Magento / PHP7 false duplicates. The close votes tend to pile on, especially quickly when it comes to "duplicate" questions - and so we're actively monitoring for this.
We're watching Meta closely - and Marius caught this very quickly:
From Marius in his reopen:
This is not a duplicate - people can't read! Please remove this flag as it will actually be incorrectly closed. Others have had this issue and it has nothing to do with the link provided.
A way forward
Just so you know this is a problem I've taken upon myself to drive the community and moderator team to resolving. I have opened many meta threads to address just this issue. Here is a blog by Fabian recapping our MageStackDay panel:
And here's the panel discussion when I expanded on my thoughts that as a community we need to do better on Magento.SE: