This has very little to do with animations, as most OS use of complex animations tends to be handled very effectively (ie mission control on Mac or the task view on Windows 11). They do all of that while also handling complex translucency effects and not breaking a sweat, even on $500 hardware.
When you are launching a program and it doesn't do something immediately, this has far more to do with networking, external layers like antiviruses pre-scanning, infected device, or app(s) hogging available resources.
When you are launching a program and it doesn't do something immediately, this has far more to do with networking, external layers like antiviruses pre-scanning, infected device, or app(s) hogging available resources.