Berlin famously casted a gender neutral voice for public transport announcements.

The person in question is transsexual. You're saying that regular men and women aren't neutral but transsexuals are?

Computers better not have genders imo

This doesn't make any sense. Gender is an intrinsic part of many languages which cannot be ripped out. It's impossible to talk in some languages without picking a way of speaking which is either masculine or feminine.