Most big e-commerce platforms try to do everything but end up doing many things...

https://alpha-wiki.win/index.php/How_long_does_a_composable_commerce_implementation_really_take%3F

Most big e-commerce platforms try to do everything but end up doing many things half-baked and slow. Composable commerce lets you pick and choose best-of-breed parts so you only pay for what you actually need