Yes, President Snow tried to make the people of Panem focus on Katniss and Peeta's love story to keep them from focusing on the rebellion. But that doesn't mean the love story doesn't matter. The irony at the heart of the Hunger Games trilogy is that the Capitol thought the love story was pointless, but it was actually the entire point all along.

President Snow tried to frame Katniss and Peeta's act of love--trying to die for each other--as something irrational. No sensible person would do anything so stupid and rebellious! They only did it because love puts you out of your right mind! Emotions make you irrational and unpredictable, a danger to yourself and others! Falling in love turns you into a fool--only following the rational ideas of the Capitol will keep you and your families safe from the irrational effects of love.

Unfortunately for him, the audience begins to see that the foolishness of love is wiser than the Capitol's wisdom. A society where emotions can flourish, where people can act selflessly, where children are cared for, enemies are honored (or at least treated as people), and other people are worth dying for, might require more trust, might require you to risk yourself, but it makes for a much more beautiful world than the rational oppression of life under the Capitol's rule.

Snow thought that a love story would prove to the people how important their society was. He thought it could distract from revolution, because he couldn't see the deeper truth.

In a society built upon the principle of kill-or-be-killed, love is the revolution.