The phrase "ridiculous extremes" means taking something to the point where it becomes very silly, exaggerated, or absurd.
Sentences with «ridiculous extremes»
By the way, if you're wondering what extrapolation looks like — in other words, what's keeping Poloz and Co. up at night — here's a chart we made back in March which took house price expectations to their most ridiculous extreme, assuming 17 per cent annual gains for years to come. (macleans.ca)