Even in an enlightened society of good hearted people, there need to be laws. Crossers of certain lines must be apprehended and deactivated. This is not to speak of the morality of punishment and retribution. By all means, have whatever convoluted effect on the present you like, but there must remain a 'present' to return to.
And enough with the fucking monoliths. It was cute the first few times.
You WILL be apprehended. And this department DOES have a truly sick sense of humor.
Don't forget: Time travel is always illegal if you don't have the proper temporal credentials.
For an educational look at the mayhem that will always result from illegal time travel, one need look no further than the example of Bobby Teenager
Never mind how the album Bobby Teenager and the Mollks live in Anytown U S A slipped under the radar.
The following 120 pages are in this category, out of 120 total.