These are machines with SSDs with multiple GB/s of throughput and memory throughput of over 200GB/s. How it is even possible to load this slowly these icons ?

At some point "Premature optimization is the root of all evil" morphed into "optimization is evil". Your PR will always get shot down if it tries to improve perf by making code less clean. Imagine applying this handbrake to every single layer of every single thing running on your computer https://www.computerenhance.com/p/clean-code-horrible-perfor...