The word "cloying" doesn't necessarily imply that the thing referred to is pleasant in small quantities. "Cloying" also means:

Cloying: causing or tending to cause disgust or aversion through excess:

Cloying: 1.Unpleasantly excessive

Two different dictionaries defining that "cloying" can be used to mean "unpleasant due to excess", without implying that the thing is pleasant in small quantities.

The word "cloying" doesn't necessarily imply that the thing referred to is pleasant in small quantities. "Cloying" also means:

Cloying: 1.Unpleasantly excessive

This dictionary defines that "cloying" can be used to mean "unpleasant due to excess", without implying that the thing is pleasant in small quantities.