So if someone discovered a weapon of mass destruction (say some kind of supervirus) that could be produced and bought cheaply and could be programmed to only kill a certain class of people, then you'd want the recipe to be freely available?
The direct threat to society is actually this kind of secrecy.
If ordinary people don't have access to the technology they don't really know what it can do, so they can't develop a good sense of what could now be fake that only a couple of years ago must have been real.
Imagine if image editing technology (Photoshop etc) had been restricted to nation states and large powerful corporations. The general public would be so easy to fool with mere photographs - and of course more openly nefarious groups would have found ways to use it anyway. Instead everybody now knows how easily we can edit an image and if we see a shot of Mr Trump apparently sharing a loving embrace with Mr Putin we can make the correct judgement regarding a probable origin.
I was replying to a comment saying that nukes aren't commodities and can't target specific classes of people, and I don't understand why those properties in particular mean access to nukes should be kept secret and controlled.
It's important to weigh the benefits of diversity and open competition against the risks of bad actors misusing the tools. Ultimately, finding a balance between accessibility and responsible use is key.
What guarantee do we have that OpenAI won't become an evil actor like Skynet?