These polls are useless as there is no debate over a codified constitutional right. Additionally, is this really a precedent you would want to set? I'm pretty sure everyone was unhappy when gay marriage was doing poorly in the polls (and at the ballot box, hello California!).
It doesn't matter what the people think, the people don't determine constitutional rights.
“They have the guns and therefore we are for peace and for reformation through the ballot. When we have the guns then it will be through the bullet.” - Saul Alinsky, quoting Lenin
“I wanted [Jimmy] Carter in and I wanted [Ford] out,” comedian Chevy Chase would later admit of his mocking Ford impersonation on "Saturday Night Live", “and I figured look, we're reaching millions of people every weekend, why not do it."