在SAMPLE ESSAY中的一句话看不懂~求解释~！

xiamoon711

在SAMPLE ESSAYS里面ARGUMENT NO.74，这篇文章讨论的是Vista Studios Movie翻拍Novel的续集是否能成功的问题。第三段的最后一句话很看不懂呢。
If it turns out that their popularity is due to some feature lacking in the two movies, then the author's prediction would amount to little more than conjecture.
求助~~~！