This was transcript from end of season 6 which I watched last night
The way I see it, if you take her mentality it's always been about burning things to get her way when angry. She's always been advised against it. However when she's not angry she does want to be a great ruler who is adored.
Last episode she was angry piled with more anger and more. This is the most devastated she's been without having an advisor to see her through and without a moment of happiness sandwiched in
One person's innocent is another person's guilty. It's all about perspective imo. She killed all the slave masters sure but they weren't all guilty. Didn't one dany kill a master, but his son told her that he was against slavery
Dany snapping lead to her not thinking and doing things that is horrid
I guess next episode we see if she regrets it when she calms down or if she continues on believing she did the right thing for the world