I very much agree with the basics of your theory here. It really describes a variety of the phenomenon known as "situational homosexuality". Whereas your customers may be really free to go out and try to hook up with women as opposed to the guys in the barracks, prisons and alike, many people are simply opportunists.
Going out and trying to hook up for sex with a female is usually both time and money consuming. Rare commodities these days.
ABS is usually inexpensive, handy and practical. Sure, at first you may not really dig the choices available, but once you look into the matter more closely, you still get a sexual release with minimal use of your resources. It does not take a rocket scientist to figure out that the system actually works very well, is fast, inexpensive and has hardly any drawbacks since all of it is NSA.
Once you realize that you do NOT have to do much to get what you want; and that you can get it almost at any place and at any time, yeah, your whole life changes. You stop being hostage to the usual patterns of thinking that impose significant burden of obligations upon you in exchange for a fuzzy promise of occasional sexual pleasure.
By default, this also works for self-identified gay men who were also influenced to believe that they should marry, or live in LTRs in order to secure (among other things), some semblance of regular and easy sex.
When you really come to think about it, a dude, gay or str8 alike who allows anyone to hold him captive over his need or desire to have sex, is seriously underinformed
.
KD