The vast majority of assassin players need to know they're fucking trash
Because a ton of them think they're good when they fuck up their spells but its ok because they have 500 safety nets to make sure things still die.
electrocute,
,
,
,
, 
Vast majority of players that play with these things/champs are fucking awful at the game, but it doesn't matter because if you aren't a bruiser or tank they're gunna fucking murder you with a stupid amount of reliability even if they miss their hardest skillshots or screw up their biggest combos.
is an exception as his only reliable source of damage besides E is his auto attacks