The new meaning of 'moe' is entirely caught up in issues surrounding hobbies and taste. Specifically, 'moe' means be attracted to a specific character or its specific partial element and to have a favor feeling toward it. 'Moe' suggests the condition of being infatuated with one character or thing and implies an image of someone burning with desire.
The picture becomes clearer when we hear the frequent use of 'moe' referring to specific elements or characteristics, such as 'weak girl moe,' 'young lady moe,' and 'glasses moe.' The meaning of 'glasses moe' refers to a taste that is taken with a character who wears glasses; furthermore, this taste fetishizes the feature itself of glasses-wearing. In this case, glasses are the 'moe' element.
The sex industry comparison is just an example to introduce the fetish side of the "moe" feeling. However then, why do people enjoy Anime look character to be even falling in love?
Please imagine the feeling when you first liked somebody. The passion pops up inside of your brain and heart. This is not logical and unexplainable. And "moe" is a feeling very similar to this specific moment