As Mozilla envisions Firefox’s future, we are focused on building a browser that empowers you to choose your own path and gives you the freedom to explor
Tldr: Theyre adding an opt-in alt text generation for blind people and an opt-in ai chat sidebar where you can choose the model used (includes self-hosted ones)
Because good alt text needs to be highly context dependant, so you can't automate it. The better alternatives we have right now are crowd-sourced alt text sites, where volunteers may generate descriptions.
I think you have a very optimistic view on how far crowd sourcing this is going to take us.
BTW, you think web developers aren't already using editors that use AI to generate alt text automatically? AI alt text is going to be everywhere regardless.
Also I'm not saying that's a good thing. It's just an inevitable thing.