It is best for everyone concerned not to keep on posting numerous new threads yes so that other threads don't get lost in the dark hole of old posts....people get fed up of having too many new threads to read through if they happen to read each of the threads every time they visit the forum and last but not least, if someone keeps on abusing their ability to create a new thread for little reason other than to make a new thread for themselves, they could automatically lose the ability to create new threads.
Weighing up the options with the reason behind creating new threads rather than adding a post to a suitable already excisting thread I know which I'd rather go with.....but the choice is yours....(the down side to freedom of speech you could say)