when 1 refuses to play n camp fountian = ban btwnot all 5v4 are playable. if the person leaves at start most of the time it's a loss but 15 or 20min later (assuming he wasnt feeding) then it's playable and easily winable since the boost in money.
only noobs lose to 4 people team
if you are losing a team which played 4 people most of the time, then these team has noobs. its a shame to lose 4 people.ps. Exceptions don't break the rule