As a gamer, you sort-of get inured to loading time. It’s largely unavoidable that games will, at some point, have periods where they have to say “please wait” and you can do little but twiddle your thumbs or maybe read some interesting load screen text while you wait for the engine to prepare the play environment.
It doesn’t have to be
Source: Hot Hardware – NVIDIA’s Load-Time Busting RTX IO Tested In Portal: Prelude RTX With DLSS 3