If they have really wrote that many songs, I think that means they've had problems structuring certain songs properly..... so they've moved on to the next song. Potential writer's block?
Matt has been in the band for nearly 4 years now, and I honestly don't even know what he offers to the band at the point. He just looks like a guest star to Blink-182 and not a full member. I was very interested at the start of what he would bring to the band, and I honestly thought he'd be a good fit for Tom. But let's be honest here, he's offered absolutely nothing to the band. He doesn't appear to have the talent or the charisma to be a good Blink-182 fit.
Anyway, we should have a single in about a month, and that should give us a signal of what direction the album is heading. If it's like the same crap we got from the last album..... then that's it for me with Blink. I'd rather they'd retire Blink-182 and start a new side project or something.