mts

I'll answer my own question:

I dragged the iMazing app onto the Privacy pane in System Preferences/Spotlight and then told Alfred to Clear Application Cache in Preferences/Advanced

Solved the problem.

It seems that that iMazing app has many , many MDItemKeywords associated with it. I think this is causing it to be the 1st hit when I type in "iBook" to Alfred. If I add the "s" Alfred then displays iBooks as the default selection. 

Anyone know how I can eliminate this behaviour?

Thanks,

Martin

I second this too.

In my opinion this should be generalized: add the ability to insert a conditional step in a workflow. Then the user could setup a customized set of conditions. For example: 

1- hotkey pressed

2- condition: 

if  Excel is not frontmost, perform action #1

else perform action#2

If these conditional steps could be inserted anywhere in a workflow, then all sorts of interesting yet simple workflows could be created without the need for scripting.