I agree with this, but would add that IMO, after you work out the consequentialist analysis of the small set of decisions that are worth intensive thought/effort/research, it is quite worthwhile to additionally work out something like a folk ethical account of why your result is correct, or of how the action you’re endorsing coheres with deep virtues/deontology/tropes/etc. …
I wanted to highlight Anna’s comment in the LW version: