Why Aren't CCN Trends Updated?

Trends did go though a change a few years back when "Sean" took over and lowered the prices a couple of times. However, Newfoundland for example , the 20 cents are the same prices as they were in 1996 as is most of the 50 cents. I've made the point several times but they have a "committee" and no changes were made even though I presented several examples of price increases on several items. I now use E-bay for reference as well as auctions. to quote a dealer 10 years ago re;proof-like sets (same prices as today) he couldn't buy those coins for the prices CCN trends shows as retail-too low (then). I bought 2 1956 50 cent picecs at auction in MS-64 and paid $75.00 and was lucky-Trends $50.00. I could go on and on ...