There's nothing unusual about that progression. The use of paste after the hone is certainly optional - the edge after the Naniwa 12k is quite sharp and smooth by itself, the chrome ox is just a little "icing on the cake". And stropping on material and then leather is standard before any shave. In any event, it works

That's a standard touchup aka refresh routine, to be used when your edge is starting to pull or not delivering smooth comfortable shave anymore. If the razor is actually dull you will probably need to drop down a grit or two before heading to the 12k.