We have to guess if we cut a path at all and if we hit the right path.
No highlight (OK, using Smart Guides helps, but Smart Guides does nothing if you also have Snap to Grid enabled!), no cursor change.

It’s 2022, right? Clouds, integrations, Stock sales directly in files... Scissors are still used with a blindfold, in a dark room, in a midnight.

Also vote for this related issue:
https://illustrator.uservoice.com/forums/333657-illustrator-desktop-feature-requests/suggestions/36111436-make-pen-and-scissors-tools-prioritize-editing-to — Make Pen and Scissors tools prioritize editing to a selected path