Two-factor authentication is not the be all end all of authentication measures but, it sure beats using just a simple password. Despite acknowledged security concerns over social media, high levels of account hacking and theft of personal data, the general public are slow to accept the move to SMS-based 2FA. It takes a few minutes for each site to set up 2FA and it’s not easy to do so many people don’t understand what it means. A lot of people in parts of the world do not understand what 2-step authentication is – 79% in Russia, 78% in Brazil and 72% in Germany.”]
Source: https://www.csoonline.com/article/2136196/got-two-factor-authentication-.html