We can look at a timeline of the account history for paulsb.
Last comment on the account: 2012
Last post on the account: 2013
7 years of inactivity
This post
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If it were them coming back to their old account, given how regularly paulsb commented while still active, you would think there'd be at least a few recent comments showing some kind of ramp up in re-usage of the site.
unknown|5 years ago
[deleted]
lawrenceyan|5 years ago
Last comment on the account: 2012
Last post on the account: 2013
7 years of inactivity
This post
---
If it were them coming back to their old account, given how regularly paulsb commented while still active, you would think there'd be at least a few recent comments showing some kind of ramp up in re-usage of the site.