Second System Syndrome [1] and General experience [2] mostly because legacy systems contain a lot of implicit features and undocumented decisions that are har

Second System Syndrome [1] and General experience [2] mostly because legacy systems contain a lot of implicit features and undocumented decisions that are hard to re-discover and customers get really annoyed. Maybe less of a problem in this case since it is young and rather well defined domain. [1] https://en.wikipedia.org/wiki/Second-system_effect https://en.wikipedia.org/wiki/Second-system_effect [2] https://www.joelonsoftware.com/2000/04/06/things-you-should-never-do-part-i/ https://www.joelonsoftware.com/2000/04/06/things-you-should-...