You are correct for this application,I don't have a vast knowledge of removing a filter cap. It was a no-brainer as far as I was concerned, but heck what do I know. I know just enough with the tools I used that it was pretty simple and straightforward . So if this Lisle socket you are pushing works , great . I didn't see an issue . So my way has no value, because I haven't used a Lisle socket, please you can do better then that.
Heres the deal, all you still have is an opinion. If for one second I thought what I did was difficult or awkward , I would be listening .