Quote Originally Posted by Cheesegear View Post
If anybody can time travel, but can't change the past; It means nobody has free will.

That's...Upsetting.

You might call it setting-breakingly stupid.
That's assuming that you're able to control it at all. If you have no ability to choose to use it, then it's certainly not setting breaking.

After all, there's no guarantee that the right number of people with the right information and the right equipment would get to the right time and the right place to make enough choices to noticeably affect a timeline.