The reason why Yasuo is annoying right now early game

That's been a thing since mid season 4 not really new.

Actually no it's situational.

You start Q when you need to stay back and last hit and you start E usually against Melee champs that you can early harass

It depends on the match up, and it's easy to counter E start, stay in your minion wave. If he auto attacks the creeps chunk him.

i start Q so i can stab my opponent in his or her's face or stomach :P then comes the dashing tornados thats when its gg