Incredible, isn't it? 

and the FIRST thing they always ask when I speak to them about it (every 6 months!) is "if you disable dual authentication, then you won't be prompted" .... argh.....

seriously bad bad service! 

You can buy as many companies as you can for billions, but if you can't fix a simple feature, it will definitely push users away from these products. 

Myself stopped using MailChimp as soon as they bought it! As it will get worse over time by Intuit doing.