Do not play jungle if you don't pressure the map
Jungle is the most important role in the game. It has the power to make people who are worse than their lane opponent win regardless. The jungler wins the map, but I'm sick of people who just decide to not gank. Losing games constantly because my opponent gets a gank and snowballs off it, despite me winning trades yet being counter picked, is the most annoying and stupidest thing right now. Meanwhile the jungler just doesn't gank, especially top lane, the lane that can TP gank, or take rift herald and split push the game.
Don't jungle if you won't gank.