EBU Single Rulebook Q&A 5 November 2019 2019_4984 "Push based" authentication and SCA requirements

Does "push based" authentication fall in the Strong customer authentication (SCA) requirements, based on the security risks "push authentication" poses? Currently, when using a mobile app or other internet-connected device as means of "possession" when it comes to strong authentication, many entities use an approach, where the customer enters an username or identifier on the device where the