Episode 2 was phenomenal. Great emotional context, great fight scenes, and the only show on tv where A) A lady gets dropped from way up for her keyring and where B) you can see a bullet train dueling with a runaway oil tanker.
As far as the instant damage goes, I point you to this quote from MIB the cartoon
"So, it's not a big deal. We'll just cool our heels for 75 years."
"No go, partner. The Law of Paralell Timelines. Phoenix will be destroyed in two hours, regardless of what we do."
Time, in the sense of Denou is not just a continuuim but also an interesection. Every part of time interesects with every other.
Here's my thought on the mysterious owner: Some have said he's Hana's father, the creator of the denliner and pass system. I say both and. In fact, I'm calling it right now. Mysterious owner guy is either Future Tetsuo or Future Ryoutarou.