I’m personally in favour of keeping Reva, is she SW’s best character? Absolutely not, but her ark and how Obi-Wan’s own ark within the series is affirmed within their dialogue after the fight on the Lars farm IS important?

Also, with some additional emphasis within the editing, I think what Darth Raditz said above, justifies Obi-Wan once again leaving Vader alive:

‘If he senses Reva attacking Owen’s farm, at least there’s a ticking clock that Obi-Wan has to beat & can’t waste time on Vader’

Prior to reading that, I would have leant into trying to cut around the two events intercutting as they did, as Obi-Wan making his way from wherever he was and back to Tatooine within minutes was too much of a plot contrivance (god kows there’s been far to much of that in this series??) so although that’s still an issue, it seems less of a job to emphasise the reason why Obi-Wan’s would need to abandon Vader (again) for the sake of a bigger threat, than it would be to separate out the intertwined plot threads, such as they are?

Ergo, keep Reva?