Sure, but beyond that that you're going to somewhere you won't be judged and where the people will understand your specific struggle. Even the people who don't buy into the whole 12 step thing can benefit from AA. It's exactly the for LGBT societies et al. And you have to remember different safe spaces serve different purposes, AA folk for example will more likely struggle if someone is walking around trying to give them a pint - as opposed to hearing about something that upsets them.
Another example of a safe space would be
this reddit, now, most of us have zero use for it - but it serves as a helpful place people can go and share their experience with those who understand them.
And the truth is, when you see a safe space, or look into why those who opened it did - they suddenly make a great deal of sense. It's only the vague, non-specific ones that don't actually seem to exist that are absurd.