Legions of bored teenagers would fight you over that. :) At one time there was no force so powerful as a bunch of friends sharing albinoblacksheep games/videos. Users loved it.
I only got into CS because of Flash. First I spent a ridiculous amount of hours on games, then I learnt to reverse engineer and tweak them, and then a ridiculous amount of hours creating and debugging games/apps with Flash.
Flash for the win! Till the day I die.
AS3 was amazing. When Typescript came out, it was a lot like
AS3. I was convinced and became a believer in TS and never looked back.