Call it the gay version of what is commonly known as "white flight."
You know the term. It's what happens when middle-class people, frequently white, are able to afford a higher standard of living and leave behind the troubled cities for presumably greener suburban pastures.
Like a jet in the sky, white flight tends to leave a vapor trail that looks an awful lot like skywriting. It spells the message, "Got mine. Good luck to the rest of you."
It's an attitude we don't like to associate with the compassionate, generous, progressive-minded LGBT community we want to believe exists in America.
But for a stark illustration of "two gay Americas," look at what is happening to the organizations our community created to care for people with AIDS.
Today HIV-positive middle-class gay men whose private health insurance covers the cost of their medications and specialists don't need the services of the HIV-focused organizations created in the 1980s to serve very sick people with AIDS. They see their private doctor and often keep their HIV diagnosis a well-guarded secret.
As a result, they and their friends who used to donate money to HIV/AIDS service organizations, have either slimmed down their donation or directed their money elsewhere.
This means the organizations are struggling to fund the lifesaving services they continue to provide for gay and bisexual men who don't happen to be white.
These men also are no one's stereotype of privileged gay men. They tend to be working classworking in shops and restaurants in the cities, Walmart and Stop & Shop in America's hinterlands. Most have inadequate medical insurance, if they have any.
In Boston, AIDS Action Committee director Rebecca Haag told me her agency still serves middle-class gay male clients who mainly take advantage of its support groups.
But more typically it sees young gay men of color who come to MALE Support, AIDS Action's drop-in community center. "We're helping them get into the community and find jobs," said Haag. "Some of them are homeless, sleeping on people's couches. Some are exchanging sex for drugs."
These young men aren't likely to be regular donors to gay political organizations.
Which may explain why you would not know that AIDS continues to kill tens of thousands of American gay and bisexual men a year, a disproportionate number of them young men of color, if you look at the Website of the nation's wealthiest political group.
Buried in a "health" section, a few snippets of outdated information are the only mention of the epidemic that devastated gay America and built the movement that made the Human Rights Campaign's prosperity possible.
Clearly, HRC, like its mostly white middle-class supporters, has moved on.
For the group, "marriage equality" has become a more pressing priority than the health and very lives of young gay men, particularly African-American and Latino, who bear the greatest burden and risk of HIV/AIDS.
Middle-class gay men aren't giving money to organizations because, quite simply, they and their friends no longer personally require the agencies' services.
Call it white flight. Call it selfishness. Call it what you will.
But be warned from one who knows firsthand: You never know when a simple phone call can change your life from employed and insured to unemployed and unsure of anything you thought you could rely on, or from assuming you are still HIV-negative to suddenly realizing your health insurance won't cover the cost of the meds you need to save your life.
You will either be glad there is an organization you can call for help, or you will be alarmed to remember it closed because it couldn't afford to serve clients like you.
John-Manuel Andriote, author of the acclaimed and recently updated Victory Deferred: How AIDS Changed Gay Life in America, has reported on HIV/AIDS since 1986.