'cause it's a bloody nightmare to find the topic that's actually appropriate for the post? Much easier just to chuck it in Chat or vaguely AIBU it.
'tis virtually impossible to find stuff. yy there's advanced search but that doesn't always work help.
Also, AIBU to think that while a cull of topics probably isn't possible or practical a bit of a reshuffle would probably really help?
Oh, and that's +/- 175 'proper' MN talk topics. MN Local and the For Sale / Wanted ones were granted temporary independent republic status for counting.