I guess I'm late to the party.

I'm not excited about this new feature to begin with, I'm concerned about inventory management which is already pretty cluttered for me. I can only imagine having a box with 15 types of assemblers. I think adding quality to intermediate items could be bulky and ...

TL;DR
Inserters compress Transport Belts
Fast Inserters compress Fast Transport Belts
Stack Inserters compress Express Transport Belts


What ?
With the recent changes to belt compression and the debates that ensued, it would seem that a synergetic solution was already in place.
Different tiers ...