TOO MANY GAMES THE SUMMONERS DON'T KNOW HOW TO PLAY.
It's Bronze.
THEY PICK THE WRONG CHAMPS FOR THE WRONG LANES.
It's Bronze.
THE ADC IS MAKING BERSERKER'S GREEVES FIRST OR SOME ATTACK SPEED FIRST.
It's Bronze.(also makes it easier to avoid skill shots when your bronze)
THE SUPPORT PLAYS AND BUILDS LIKE MID LANE MAGE.
It's Bronze.
SUPPORT FARMS, DOESN'T MAKE INCOME ITEM OR SIGHT STONE.
It's Bronze.
MID LANE IS NOT MAKING AP ITEMS.
It's Bronze.(also i don't think zed talon or yasuo need ap but I am bad so might be wrong)
EVERYONE IS NOT MAKING AD/AP FOR THEIR CHAMPION FIRST.
It's bronze.(also this isn't always right as it is better to counter build first sometimes)
TANKS ARE BUILDING FULL TANK WITHOUT ANY DAMAGE ITEM.
It's Bronze (also this is kinda what tanks do.....bruisers build damage and tank items)
PEOPLE ARE MAKING ITEMS WITH AD AND AP WHEN THEIR CHAMP IS ONE OR THE OTHER.
It's Bronze.( also most champions have dual scalings....... Even Kennen has a ad ratio on his w passive.)
SUMMONERS DON'T TAKE FLASH OR THEY WILL TAKE FLASH BUT NO THE RIGHT SECOND SPELL.
It's Bronze. ( some champions don't take flash...... Olaf jungle/Hecarim/singe also mid lane can take a variety)
AN ADC MY TAKE TP OR BOT LANE WILL HAVE DOUBLE HEAL.
It's Bronze
ADCS WONT AUTO ATTACK IN FIGHTS.
It's Bronze.( also why are you watching what adc's are doing in a team fight rather then worrying about your own actions?)
SUMMONERS WILL ALWAYS TRY TO AVOID DEATH BY WALKING AND FLASHING AWAY GIVING THE OTHRR TEAM FREE DAMAGE OR KILLS
It's Bronze.......Oh wait I thought trying to avoid death was a good thing...............