Bought a sample first. ROAS improved roughly 30% versus the lookalike audience we ran before. Bought it as part of a wider la europea locations mexico expansion into Mexico. One column I'd add next refresh: secondary email.
Thanks for the honest feedback, the points you raised are on the refresh checklist for the next pull. If you want the gaps fixed sooner than the next refresh, open a support ticket and we'll spin a one-off pull.