Good. Then you remember that there hasn't been a SINGLE instance of Time travel where the crew of the Enterprise didn't actively interfere in the past.As a matter of fact, I do.
Only when they had to and only to the extent they had to to restore the past (as best they could). All in accordance with Starfleet policy that we would later know as the Temporal Prime Directive.
If you can't understand the difference between restoring a broken timeline and breaking one in the first place, you need to spend more time studying the concepts.They may have RESTORED the existing timeline as best as they could manage it, but they have never refrained from interfering, and rarely put much thought into it.
Or it may be you do understand and are just trolling...I'm not 100% certain which is correct.
Again: repairing is not the same as breaking. The Borg had already broken the timeline and assimilated Earth in the past. Picard and crew were doing what they had to do to put it back together again.First Contact is the worst offender by far:
"Oh, the Borg blew up the phoenix? Well, let's send down an entire engineering team to rebuild the thing and temporarily replace Cochrane's entire rocket team, plus his co-pilot, plus his capcom, and let's even use a bunch of our futuristic technology to make sure this thing goes off without a hitch. Should be fine."
Yes, that was the whole POINT of going back. To see what really happened, the ultimate "live" documentary. They did not go back planning to change anything, as Starfleet policy demanded.Time travel stories imply the direct tampering with the past; if you're not changing anything, it's almost a wasted effort, you might as well just watch a documentary.
As a matter of fact, I do. In A:E, the Enterprise was there merely to observe events, not to interfere. That only happened due them becoming aware of Gary Seven and his activities, which they mistook for external interference with Earth and history, which was within their mandate to counter/remedy.
That's the whole point. They can't be aware of every variable, as we see in the episode. Yet they go and muck around in the past again in "Yesteryear".
Only because they had to to satisfy the predestination paradox to restore Spock to the timeline.