Two questions:
1. Who are the Hays People
In 1930, Hollywood studios voluntarily adopted a code (the "Hays Code" or "Production Code") -- a set of moral standards by which movies came to be made. The code (you can read the 1930s version
here) consisted of "thou shalt nots" designed to prevent an enraged public, offended by immorality, from calling in censors to mess in studio affairs. I think the Code went way, way too far, but at least there was a good idea behind it. Anyway, by "the Hays people," I mean the folks who enforced the Code...
2. And why did Stella have to leave Stanley in the movie version so that it could "get by the Hays code"??
OK, this will involve a
SPOILER, so if you're gonna watch the movie but don't like to know the endings, stop now! LOL
Toward the end of the movie, Stanley rapes Blanche. According to the Hays folks, if Stella had stayed with Stanley, it would lead people to think that crime doesn't have consequences... Me, I think it was a betrayal of how the characters would have acted in real life, so I like the ending in the play better.
As you can probably tell, I'm not a movie buff.

<- That's me drowning. The smileys don't always work for me on the mac. lol
Wow! I didn't know there was a difference in how Macs and other systems show (or didn't show!) smilies! Learn something new every day...