I imagine it's not been defrosted properly. They'll keep it all in a giant freezer, and defrost it when needed. Not pleasant for you. You should have complained at the time, but there probably isn't a great deal you can do now. Sorry your salad sucked.
Sloths.
They are so lazy that they don't mind sh!tting on their own heads as long as they can remain hanging upside down from their own branch and don't have to move. Lazy turds. Get a job sloth.