Businesses have been forced to bake cakes. Precedents have been set.
https://www.scotusblog.com/case-files/cases/masterpiece-cake...
https://www.bbc.com/news/world-us-canada-44361162
Precedents have been set exactly the other way. This law looks like conservatives having a hissy fit that this time around market forces are keeping them from dominating all conversations, so they're making laws to enforce their social dominance.