I 100% do not want my team's head coach wasting challenges on a stupid delay of game. It's 5 yards, man up and get on to the next play. And I thought we had learned by now, time and time again (Fail Mary etc.), do not put your team in a position where a referee's interpretation of a rule impacts the final score. If you're risking a delay of game in that crucial a moment you get what you deserve.
As this was all playing out I never felt like the Buc's chances of converting was any less likely because they lost 5 yards. I'm sure there's a few percentage points difference when the threat of running it in from 2 yard line exists but overall I was just as nervous about them trying from the 7. We've been smoked by teams in worse situations.
To me this is a non-issue.