SG says GBP risk is now getting very asymmetric, in favour of the topside case

I posted earlier on HSBC calling for a much lower GBP: HSBC says UK Brexit politics the GBP driver - 'no deal' risk - see GBP/USD to 1.26 Here is an interesting view from Société Générale as a counter (Forex & Derivatives Strategy). I have summarised:
SG says GBP risk is now getting very asymmetric, in favour of the topside case