Bard was likely not trained on copyrightable data, that makes it safe from lawsuits but also removes most of the usecases people want ChatGPT for.
And it isn't just about lawsuits, since Google need to keep advertisers happy or they would leave like they leave Elon Musk they can't afford to jeapordise that with questionable launches.
https://innovationorigins.com/en/openai-and-googles-bard-acc...
For very profitable things. This isn't very profitable, which is why I added that part to my comment. Google has a very good understanding what they get sued for and how much those lawsuits costs, if it is profitable anyway they go ahead.