I hate it when people are like this.

bathetic (ba·thet·ic): / buh THET ik /
adjective

(1) characterized by bathos; showing insincere and excessive emotion
(2) commonplace, trite, or absurdly sentimental

[Formed from ‘bathos’ on the model of ‘pathos’ to ‘pathetic.’]

Usage: One can define soap operas as bathetic, vacuous melodramas intended for an audience lacking emotional investment in the real world.