no one has yet mentioned blanks, if you have a dense solid blank with even floatation this is the key. prior to laying glass the important part is what your laying it on to. you can have light glass on a solid blank and it will last nearly as long as on a six ounce jobbie( i run 6 ounce and they do last longer)
yes they are wear and tear and superficial damage. No there is not much theyll say other than that.
however the blank is everthing, you may ask why this effects dings, sunken foam shatters, relate back to a cuttlefish and a sponge. if you glass both, one is a solid rigid floating surfboard,(they can be shaped and glassef free billion dollar idea if anyones interestef.did make a nice looking singlefin fit for a smurf, i digress) which is the cuttlefish the other the sponge once glassed has different properties it carries more air and has better floatation however it is also less rigid and has less structural integrity. therefore the spongeis easier to compress,ding etc. mass production versus master craftsman. look im guilty too ive bought almerrick pro models last three months, js (5 months) etc etc, all awesome boards well shaped rada rada rads but mass produced, and yes you pay more for less