...The hardest problem to overcome is usually to shift mentality from OOP programming to ECS programming more than using the framework itself. Svelto.ECS wasn't born just from the needs of a large team, but also as a result of years of reasoning behind software engineering applied to game development. Svelto.ECS hasn't been written just to develop faster code, it has been designed to help develop better code. Performance gains is just one of the benefits in using Svelto.ECS, as ECS is a great way to write cache-friendly code.