Actually Liam did write some bits for this song. He even came up with the riff! The only songs that were written for him are Chinatown and Paper Crown.

I’d never met Greg or Andrew before. I sent Greg ‘Bold’ and ‘Greedy Soul,’ and I said, ‘Look, this is the kind of stuff I want to do, in theory.’ So I got there and we had a cup of tea and I said, ‘Can I play this song that I’ve got this kind of riff for?’ And I played it and they went, ‘Cool!’ And we built it up that way. Andrew was writing a couple of words down, and we started writing a few bits down together. And not writing them down, just putting them out there, we got a couple of verses together. Then I went in and I sang it. There were a few phrases that Andrew had, and I was going, ‘Maybe I’ll sing it like this?’ And he was going, ‘Yeah!’ It kind of just went from there. After lunch we had a go again, and that was ‘Wall of Glass.’ It was easy, man. We just sort of did it.

read.tidal.com/article/liam-gallagher-returns-with-as-you-were

It’s better than anything off Liam’s album perhaps bar Wall Of Glass which Liam didn’t write.

Liam 6 Noel 0

What's this? The number of songs on their album that were written by someone else?

ahh too slow

People saying this is the worst Gallagher single, you did hear the bag of burnt dog vomit that was Chinatown right?

That's a false equivalence. As I said earlier, regardless of the quality of the output, having an engaged producer (a la George Martin) is not the same thing as getting hired professionals to help write songs for you.