At your own peril
Call centre issues:
I have to listen to promotions before given number inputs. When I verified ID (first time) the inputs failed 2x (has also happened on previous occasions). Went through as unverified, had to do OTP verification...
Chatted to a consultant, then voice input was lost on (my side, but their system issue).
Second time ID verification worked? However the after a while voice inputs were lost again. The consultant had to phone me to wrap the enquery.

Desktop experience, to log into my desktop I first need to allow it on my app; logging into the app I have to manually input my username and password, wait for the screen to load, then loads the prompt to allow (desktop) this also timesout sometimes because of long load time or I first have to take a selfie and then I can only allow desktop login. 
All that ^ to just log into my the desktop version of the app! Unacceptable, the  experience changed which just had biometrics initially and they introduced another verification method on top biometrics (ie. selfies)!

There is no call back function even for premium account members.

Messaged Discovery on Facebook, was told to use biometrics and that my phone wasn't my primary (which is incorrect, informed that my phone didn't have biometrics) and was left on unread for 2 hours and counting.