Contractor flooded ceiling; says drywall doesn't need replaced
Yes, it is the extended length of time that is againt you, not the initial amount of water. If it had dried completely within two days, you would have probably been fine. This has been too long. Almost guranteed you may now have mold problems.
If any mold has started, it takes very little moisture to encourage it to grow.
"True eloquence consists in saying all that is necessary, and only that which is."
François Duc de La Rochefoucauld