Does drinking alcohol destroy the Veneers and Lumineers?

Well designed and properly bonded veneers or Lumineers shouldn't be affected by food or alcohol consumption. It is possible, but unlikely. If you're finding that your veneers are failing, usually it is because of poor design in the bite, or lack of maintenance. 
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Alcohol Causes in decrease of your saliva,  which help keep your mouth clean. While the damage to the veneers may be minimal, decrease in saliva causes bacterial buildup. Bacteria can damage the tooth underneath the veeners and cause decay. so it is important to keep your mouth clean And brush regularly.