If there are 20 minutes to go then sure it's a good tactic. But from 5 minutes in? We're just inviting pressure IMO and making things harder for ourselves.
Brighton fans seem to think Dunk is the best centre back in the country. Unless he's significantly improved in the 6 years since we played them, I very much doubt that is the case.
Seems like Crystal Palace have done a 'Pompey'. They have an ageing squad and haven't invested in their old ground, training facilities or academy. Now it's coming back to bite them.