They are doing something good now, user.gz is pretty big and has content.
For me personally it is:
<user>
<id>17128</id>
<name>Dirk Broer</name>
<country>British Virgin Islands</country>
<create_time>1127242795</create_time>
<total_credit>761165.139450</total_credit>
<expavg_credit>118.682500</expavg_credit>
<expavg_time>1502441101.594450</expavg_time>
<cpid>76d20230028d9ceee3a1aa52fcf14dd4</cpid>
<teamid>78</teamid>
</user>
Unfortunately user_work.gz still has for me:
<user>
<id>17128</id>
</user>