Are 500 hours too many for a used hi-end cartridge?

One thing to consider when buying a used cartridge, and I know that the folks trying to sell them will NOT like this! That is, it is fairly well known that just one (1) play of a record with a damaged stylus is going to ruin that record! So, if you want to sacrifice a record to see what the condition is like after that one play, no issue. Here's the question, is your record collection that valuable to you that you will risk the next record, or the next, if the stylus is  considerably worn and the result is a gradual destruction of your groove wall due to a 500+ hour stylus? 
Some may say that every time you play a record, you slightly damage the groove wall which is very possible, but why increase the likelihood of that happening with a known 500 hour+ stylus?

@chakster Before you call someone’s statement as questionable, look at what you are going to write first. Your post about a conical stylus is comical.

@bukanona I own a number of mono records, some of them are just about unlistenable...because they have been played in the past with a worn out cartridge. Just because it is a mono recording does not stop it from getting damaged in the first play by that worn out stylus.

@bukanona. Unfortunately, several of my old mono LPS are ruined due to a worn stylus. Now, I grant you, if you don’t mind a ton of snap, crackle and pop, then one could still listen to these...with the cartridges you suggest.