Vlad it's true: now it's not used so much.
But I imagine Kagi adding instant answers, maybe only few in next months.
Slowly but steadily, we can have a way to copy all these textual results.
This will be for sure a consistent way, because they'll be textual results (ok, excluding maps for now).
A proposal could be: the actual "tick" icon could become a clickable "+" icon, that could copy the result to the clipboard.
This could be a "+" icon or a standard "copy" icon like this (Bitwarden icon):