Similarly you can argue that being aware of ego depletion will allow people to work with it better - after e.g. mentally exhausting work it's better to avoid go

Similarly you can argue that being aware of ego depletion will allow people to work with it better - after e.g. mentally exhausting work it's better to avoid going to grocery store because it will be more difficult than usual to resist buying sweets / junk food etc. Instead postpone it to tomorrow when you are "fully charged" again. By being aware of ego depletion (assuming it's true), you can actually optimize your life better.