Tried three vendors before this. ROAS improved roughly 30% versus the lookalike audience we ran before. Bought it to scope a United States territory in the wendy's restaurant locations united stat segment. Decent value, would tighten one or two fields.
Thanks for the detailed review, noted on the minor gaps — they're tracked for the next refresh. If you want the gaps fixed sooner than the next refresh, open a support ticket and we'll spin a one-off pull.