The question comes down to, do they give the AI the tools to actually fix your problem?
I did multiple rounds of trying to get T-Mobile's Indian customer support to fix a problem, and by the end, I realized they didn't even have the ability to do what needed to be done. I had to file a report with the FCC, and then someone from T-Mobile US HQ called me and fixed the problem. I felt really sorry for the Indian call center as that must be really frustrating.
On the flip side, my kid's Roblox account got hacked, stolen, and sold. Their AI customer support bot got it recovered and fixed in minutes. It had the tools to fix the problem. I was really impressed.