The production team must have been high to have come up with that helicopter thing, too. The films showed how levitation is possible - would have been a lot more believable.
Not sure why fandom seems to be concluding that Ezra has 'gone evil' or 'lost his innocence'. He just seemed a little wiser for his efforts, as usual. The red on his eyes was just a simple reflection.
Not sure what to make of the actual ending, however. In retrospect, it was kind of flashy and played for high stakes, but... Yoda should have just told them to stay out of it (assuming that was him).