Bugs and autofill

wtf this game ? i play and win 1 games then be autofilled i havent all champs to play all roles i can only play one role plz delete autofill it is really bad people be autofilled always troll and when I be autofilled cant play it makes game really without fun losing LP for auto fill players fall with autofill many of my friends dont come league any more plz fix this, also kayn go on wall and knock up you it is big bug he fight from wall he should first exit wall then start fight full of bugs