It is typically hard to directly attribute churn though, whereas some massive EC2 instance costing you $30/day is a clear line item where cost savings can be measured easily.
Nah that simply doesn’t happen. Users routinely blame that on the hardware or on the operating system, occasionally rightfully so.
My anecdotal data point: my MacBook neo with 8 gb of ram running mac os is much snappier than my thinkpad x13g1 (ryzen 7 pro, 8c/16t+ 32gb memory) running linux.
Same user (me), same apps, same websites, same data.