I have no battery drain currently, but I had battery drains in the past and got rid of them.
https://community.e.foundation/t/fairphone-3-battery-drain-while-idle-with-new-install/14926
https://community.e.foundation/t/fairphone-3-battery-drain-after-e-update/16700
Things happen. For what it’s worth, your phone can die on you the next moment, it’s a complicated electronic device.
Because it just doesn’t make much sense without context.
Such screenshots can prove an issue if you have a drain, that makes sense. And if there is an issue, somebody else with at least the same device can post a screenshot of normal battery life for comparison, that makes sense, too.
But just a random screenshot from whatever device in whatever situation tells you nothing and proves nothing.
We /e/OS users can’t all have battery drain, else the forum would look pretty different, if it even still existed 
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Here’s what the issue tracker has to say …