I think this popular take is a hypothesis rather than an observation of reality. Let's make this clear by asking the following question, and you'll see what I mean when you try to answer it:
Can you define what real despairing is?
Can you define what real despairing is?
The mechanism by which our consciousness emerges remains unresolved, and inquiry has been moving towards more fundamental processes: philosophy -> biology -> physics. We assumed that non-human animals weren't conscious before we understood that the brain is what makes us conscious. Now we're assuming non-biological systems aren't conscious while not understanding what makes the brain conscious.
We're building AI systems that behave more and more like humans. I see no good reason to outright dismiss the possibility that they might be conscious. If anything, it's time to consider it seriously.