Zelda is getting her power from being the incarnation of Hylia; not the descendant.
This renders the bloodline thing completely pointless. If almost everyone in Hyrule has Hylia's blood (which is what will eventually happen if Zelda chooses to have kids during the course of her eternal...
There's hardly any interaction, which is a shame since the few scenes where Zelda and 5 champions hanging out together show how much chemistry they all have.
Speaking of which...I heard someone say Zelda and Mipha were sighing over Link in that scene with Hestu. No, they weren't. They were...
Ganondorf never reincarnated during the 10,000 years so I do think the hand in the botw sequel could indeed be halting the cycle. Neither did Link or Zelda. They were reborn just before Calamity Ganon's seal was breaking. As if they knew he would reappear.
It was okay. Disappointing how Zelda constantly has to be disempowered in order for Link to be a "hero"... Aonuma knew many people wanted Zelda to be playable yet he does this? Even Princess Peach has had far more playable roles in the Mario franchise. Zelda being rescued is traditional but...