I agree a lot with what you're saying especially about not overlooking places we need improvement/backups when our starting XI isn't fit as we saw with the game against Everton. Klopp made no secret about him wanting Timo and while that gone the way it has now the bigger problem isn't just going and getting someone because Klopp wants to be able to get the players he wants so that he can integrate them into the system.
Its not Origi and Shaqiri that worry me more than it does Fabinho who was having an excellent run till he got derailed and the same goes for Matip as well. If we want to bring in players we have to also ensure that the players I have just mentioned find their form again to have options as well for the rotations to have their maximum benefit. I don't think the club will make any signings in this window and will probably do some business in the winter transfer window but I don't think they've forgotten the need to strengthen its just about finding the right players to fit a system that takes time to integrate into. Splashing money on Kai might seem like something to do long-term but then you've got other avenues which need tending to as well like the statdium, etc.
I'd like us to get some more players to compliment our attack system but that's so easy to say and equally hard to do because finding those players isnt going to be easy for scouts considering all thats going on in the world and the restrictions due to that as well.