It's one thing to say it can't grow forever, something very different to say that growth stops in 5 years time rather than 50 years time. We have after all been growing (unsustainably) for thousands of years.
Ah yes, but that is the point - when articles like this are written they do not consider the sustainability of growth.
If the writer of this article first acknowledged that economic growth was not possible "forever", then could comment on our debt in the context of how long it would take to pay off? and therefore the likelyhood of growth for that period of time.
For example - if the level of debt was going to take 30 years to clear (by the time you had reversed the massive deficit spending by governments and consumers alike) , then you could go onto explore how realistic it is to expect the world economy to grow for the next 30 years.
At the current rate of growth - the UK economy would be 2.35 times the size it is now in 30 years time! LOL
It is no good comparing this type of growth to that of thousands of years ago as 3% of a trillion is a lot fecking bigger than 3% of ?1!!
Once you get over the fact that growth isnt possible forever - you cannot avoid exploring the exponential function of growth.
A few simple calculations would show the author that we cannot acheive 2.35 of everything in the UK in 30 years time!
If therefore no growth , record debts = very bad!