More likely the two supporters of privatization were hedging their bets because their financial backers, mostly made up of charter school and voucher interests were overwhelmingly for it, while most public school supporters recognized the amendment for what it was, a poison pill bill meant to undermine local control of schools to benefit charter schools.
Well today the Florida supreme court put the issue to bed and struck it from the ballet.
From the Tampa Times:
... the Florida Supreme Court on Friday ruled Amendment 8 should remain off the ballot. It upheld the order of Leon County Judge John Cooper, who found the measure's title and summary misleading.