Unfortunately gnome-terminal offers no configuration option to disable these. You might want to recompile it, removing the entries from
This hyperlink feature doesn't influence the normal text selection by mouse, you can still click and select the text. Clicking on a hyperlink to bring the window forward shouldn't have any undesired side effect. (The feature influences the rarely used rectangular selection (Ctrl+Click becomes "open link" instead), and populates the right-click menu with extra entries.)
Of course, I understand that underlining the text and changing the mouse pointer shape on hover is visually unpleasant when you have many false matches, but I don't see how it causes an actual behavioral problem.
gnome-terminal version 3.18.3 reimplements the matcher regular expressions from scratch, in a way that leads to much fewer false positives than in preceding versions. E.g. "firstname.lastname@example.org" is no longer treated as a valid e-mail address.