Amadeus, the LH
owned reservation system has a poor downtime record, when compared to Sabre and Worldspan. Every second of downtime makes can cause signifiant loses of revenur.
And yes, they lost significant business, especially in the ever increasing E-commerce bookings where Lufthansa will simply not be shown when fares are requested. This is one reason why the Smallest, but the most reliable of the GDS's - Worldspan - has in excess of 50% of all the major independent E-commerce booking sites, such as Expedia, Priceline, Orbitz and Hotwire.
You are 100 times more likely to catch a cold on a flight than an average person!