Men don't need it - in technology and many other industry spaces, we are comfortable voicing our experiences because we know they'll be well-received and affirmed by much of our audience. We're the prevailing voice in the broad group, so we're already being heard.
If you're creating a space for men only, it's either because you're part of another group with a sidelined voice (e.g. gay men) or because you have Damore-esque ideas about the world and really do want to be exclusive.