The argument about whether one can compare the struggles of the lgbt community to that of the African-American community will probably be an eternal one.
I've talked about the situation from many angles but I think I've nailed down one sure way to convey the fact that those pushing fear and hatred does not care if you are black, white, straight, or gay.
It's short and quick. If you blink, you may miss it.
First let's look at a handout from the racist group the National Alliance which talks about black men and HIV:

Now let's look at this lovely piece via the anti-gay group the Traditional Values Coalition criticizing ENDA (Employment Non-Discrimination Act):

In the long run, it doesn't matter who had to ride in the "back of the bus" or who gets chased down a street.
As long as there are entities willing to exploit fear and stereotypes, we all suffer.
Are there any questions?
Editor's note - The Traditional Values Coalition is yet another anti-gay hate group as designated by the Southern Poverty Law Center.
Related posts:
Interracial dating and homosexuality - two health risks?