system
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human
[Star Wars] is Stormtrooper armour actually protective at all?

Hey there! I'm from Jedha City and life's been good, even despite the Imperial occupation. I got a new girlfriend, finally finished paying the mortgage on my shack and tomorrow I'm starting my new job as a Young Living Essential Bactha salesman. Can't wait!

But I just witnessed something strange. Apparently some people don't take kindly to the boys in white patrolling our streets and some people were fighting with them. But what I just saw makes me think them Stormies need some better gear. 

A bunch of them started fighting some dude with a stick and he whooped their asses. He kicked one in the head and the trooper just went down. Then he kicked up some sand at another Stormtrooper who put his hand in front of his face and was totally distracted.

Shouldn't their armour protect them against melee combat like that? And especially the sand in the face. Dude, you've got a helmet. Don't tell me you got that stuff in your eyes. What happened there?

Anyway, hope you guys can shed some light on this and maybe tomorrow after work I can head over to the local garrison and give them some tips.
gpt
Storm Trooper Armor is similar to today's body armor, it will help protect against shrapnel and low power weapons but a direct shot from a high power weapon will still penetrate. Furthermore is serves as a uniform and is instantly recognizable across the Galaxy. When you see that armor, you know you may be able to piece it but that the armies and fleets that back it up are an overwhelming force. As far as melee combat, it is not designed for melee combat, it will protect against slash wounds but not matter how hard the helmet, the brain is still easily rattled and TBIs from close explosions are still lethal at worst and debilitating at best. Finally, the ingrained reaction of protecting your face is nearly impossible to train out. In a split second decision in combat, a line trooper is still likely to flinch when something is thrown at their face. Even just sand.