If they knowingly went into the project with a plan of making it a trilogy all filmed at once like The Hobbit, and gave it a similar tone as 28 Days Later, World War Z, The Road, and The Walking Dead, then I'm ALL FOR IT. (Minus zombies, obviously.)
But it appears that they just want to crank out a single 2-hour movie, and I suspect that that's why Ben Affleck, David Yates, and Paul Greengrass all walked away from it. Making a 2-hour movie is essentially cutting 80% of the material, and it's hard to even call it The Stand at that point.
Now, if the OTHER plan is to film a third of the book, make that a 2-hour movie, and cross their fingers that it makes a billion dollars in order to greenlight Part 2 and Part 3, I'll be EXTREMELY angry, because I don't want one-third of the book with no ending.
I say "Boo" to the whole project. Don't even bother making it. HBO won't be good enough for me personally, because I want a large film budget and not a TV budget. I want proper cinematography and real cameras being used, and A-list actors.