I think it's hard to understand how much better your experience could be if all your software was 10x faster and using 0.1x the resources, since you can't test both experiences side by side

It's like riding a bike with a tiny bit of resistance in the bearings. You will get used to it, and will probably feel like your bike is fine. But if you replace the hub and remove that friction, you will wonder how you ever tolerated riding a bike that way.