The movie theater companies probably feared they had been already hacked.

[kwassa]

Which they may have been, and the North Koreans are ready to release all their inside information.

The ones that backed out first may have had the most to hide.

[JaneyVee]

1. AHA! I knew that wasn't butter on the popcorn!

Butter solidifies!

[Enrique]

2. finally, something that makes sense

I don't know if your theory is true or not, but at least it makes sense. Unlike what the theaters are saying which is that they are concerned about the safety of moviegoers.

[kwassa]

3. The likelihood of moviegoers being harmed is tiny.

North Korea doesn't have that kind of physical reach into the US.

Their cyber reach is quite astounding, at this point in time.

[OffWithTheirHeads]

4. My wife says it was their insurance Co.s I believe that. Money rules.

[kwassa]

5. They might not be insured against terrorism.

Insurance policies are taken out for specific risks. All not named are excluded.

If they know they are not insured against these cyber attacks, theater companies made this decision themselves.