I think the greater risk is when a technology this powerful gets monopolized by a handful of massive corporations. Look what happened to the mobile ecosystem. Compared to the openness of the PC architectures it's a terrible experience for anyone trying to experiment with them beyond the "docile consumer" confines.

Humans are prone to doing dumb experiments, like the ones with radiation and nuclear bombs last century, and the one we're doing now with greenhouse gas emissions.

  We do what we must because we can.
  For the good of all of us,
  Except the ones who are dead.

Ignoring the upsides of open source, I think openness doesn't make AI safety worse, look at ChaosGPT.