In my opinion most people just turn up their nose and say "Well I can't do this - this being downloading custom things such as maps - and I don't have the patience to learn how", or "I tried doing this before and it didn't worl for me so I'm not going to waste my time trying again", but the first thing on my mind is "Was the map created for the group or is it something that they borrowed from an older group or a free map from the forums/deviantart", or "Was this map thrown together over the course of a few hours and not only mostly empty, but probably has a few issues", forgive me for having a bit of trust issues when somone says "BEAUTIFULLY MAPPED" and it looks like someone just threw a bunch of trees everywhere and called it a forest. I know not everyone can put together masterpieces especially their first time. My first maps were super plain, mostly empty, and basic, but I, also, never claimed they were any good haha.
I rambled for a bit there, sorry.