"not a good idea" is incorrect. plain and simple.
if the pods filter air and don't allow crap in your carbs and engine, then they are not a bad idea. how does the bike run now? if it ain't broke, don't fix it. if it has a racing idle or seems to be running lean, then consider the stock airbox. the only reason people on here advocate the stock box is for an easy tune. that doesn't mean the carbs are easy to get on and off at that point though!
i like my pods, but i'll probably take it back to the stock filter and box because its still running lean after jetting. i know where to find a cheap stock filter, the jets aren't as easy to find.