Field-tested by my team. ROAS improved roughly 30% versus the lookalike audience we ran before. Bought it for a Australia-focused buy breadtop locations for australia ( ) territory cut. Wished a few smaller towns had been included.
Thanks for flagging the small gaps, we hear you on the gaps — the next monthly refresh tightens those exact columns. If you want the gaps fixed sooner than the next refresh, open a support ticket and we'll spin a one-off pull.