Putting all your metaphors in one basket
"She's cutting HPE back to find the spring wood hindered by the dead timber, but can she relight HPE's spark, the fire lit by HPE's garage band founders? It's a work in progress and, so far, a strong and sustained spurt of growth hasn't been seen after the severe pruning."
Is the author trying to remind us that Finnegans Wake first saw print in sections published under the name "Work in Progress". Hewlett and Packard worked out of a garage, but probably half a century before there were garage bands. And if you want, aren't you better off using dead wood than green growth?