Field-tested by my team. Bounce rate stayed under 4% on a 1,000-contact email send. Bought it for our dominos restaurant locations (united kin outreach in United Kingdom. One column I'd add next refresh: secondary email.
Appreciate the constructive note, 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.