Why Is The Test On Earth Unfair (comparatively) ?
Those children are for the Jannati and they will serve them, forever as children (unless the Jannati wish otherwise). They will not enjoy Jannah in same way as one that actually was tested. So they are a part of Jannah that Allah introduced briefly to their parents on earth then took them back for Jannah, they should be not looked at as tested successful humans, they should be looked upon as blessings of Jannah, children that only exist to wait for their Jannati parents. You may look up these videos by Ghamidi Sahab explaining this in following links: Discussion 34818 • Reply 34863 Discussion 34818 • Reply 34862