While the efforts are certainly not futile, the results of such bans will likely only start to be seen by generations down the line, bettering the world for the future.
2017年12月六级真题（第三套）阅读 Section A
柯林斯高阶英汉双解学习词典释义
ADJ-GRADED
无益的;无用的;徒劳的
If you say that something is futile, you mean there is no point in doing it, usually because it has no chance of succeeding.