Explore the unconventional approach to large-scale software rewrites in this RailsConf 2023 talk by Andy Croll. Learn how a team of four engineers successfully migrated 2,500 customers' data over an 18-month period, challenging the conventional wisdom against big rewrites. Discover how principles of Taylorism, a management system focused on efficiency and proper tools, can be applied to massive application overhauls. Gain insights into the business practices and coding strategies that contributed to the project's success, and understand how to approach similar challenging projects in your own work. Uncover valuable lessons for tackling complex software migrations and learn when breaking the rules of software development might lead to unexpected triumphs.