Adobe has been implementing Ai into the software, it being Photoshop, Illustrator, Premiere Pro, etc, but why? It all comes down to staying competitive. Creative works, such as this, takes time! But by adding Ai features, time starts to no longer be an issue, it speeds up the process and with that, allows you to pump out content more than you ever could.
Another reason is the accessibility, not everyone who are using these products are well versed and experienced. So, Ai can lower the experience ceiling by quite a lot and less experienced users can catch up and create things just as polished and visually appealing like an experienced user. This can lead more non-creatives to Adobe to try out and use other software for design like art or video editing.
And lastly, and most obvious of it all, we as a society are just heading the direction of Ai. Whether you like it or not, this really is the future. Adobe would have to adapt to implementing Ai, if not, their competitors would have already done so already.