Gabriel insults McClane by calling him "a Timex watch in a digital age". However, it's a borderline accidental compliment if you take Timex's slogan into account: "Takes a licking and keeps on ticking." It's also slight lampshading of the flaws in Gabriel's plans. The main roadblocks in his "fire sale" plan are the things that aren't online, the old-fashioned stuff. That's where the problems typically set in, because McClane is able to get there and slow him down. Gabriel doesn't seem to account for the low-tech stuff.
