It’s not clear what you want them to do instead.
Invite the open source developpers behind popular OSS AI frameworks such as opencode, etc.
Invite talkers from large companies that produce open source software and models such as Mistral.AI
Invite talkers from companies that run OSS LLMs at scale such as groq
Invite the people who build drones in Ukraine, (probably the most succesful open hardware story to date). Have drone building workshops / drone piloting stands
No training data -> not "open source"
No code for the training -> not "open source"
Like this AI track? What more do you want?