In the gay community, anal sex is equivalent to the penetration of the pussy.
While they are valid points, virginity is also a thing among gay people. You may think that virginity is not as important to men than it is to women, or that the concept of virginity is but a social construct. We can only have one first and so the first time is extremely important to almost everyone. The concept of first time having sex is special.
Everyone has their first time, even for both genders.