Uhhh... how about you just read this? I dont even play winston but here

"Is this on? I made a chronal accelerator, I'm sure I can do this!
To all agents of Over-...
To all agents of Overwatch...no that's not right.
To the FORMER agents of Overwatch...this is Winston! Haha! Obivously...
30 years ago, the Omnics declared war. The nations of the world had no answer until they called upon a small group of heroes. Overwatch was created to rescue humanity from the Omnic Crisis. We became the greatest champions of peace and progress mankind has ever seen.
You were chosen because you have powers and abilities that made you-...
You joined because you-...
You already know this...
Look...
The people decided they are better off without us. They even called us criminals. They tore our family apart. But look around, someone has to do something! We have to do something! We can make a difference again. The world needs us now, more than ever!
Are you with me?"