In everything doing as Adam and all his descendants had done, for they also had the evil heart: See the comments on verse 21. Here is an alternative model for this verse:

• They behaved just as Adam and all his descendants had done, because they had the same tendency to do evil.

Quoted with permission from Bullard, Roger A. and Hatton, Howard A. A Handbook on 1-2 Esdras. (UBS Helps for Translators). Miami: UBS, 2019. For this and other handbooks for translators see here.