I guess out of these options, function? I definitely wouldn't say I go "overboard" but I do always use the move objects cheat. I find it hard to decorate without it. Everything has to be so far away from each other without it, usually for no reason.
I definitely like being creative and detailed with my builds, but I'm a player as much as I am a builder, so I have to make sure that my builds actually work and don't look weird/glitch while playing... I get a little frustrated when I see builds on youtube/the gallery who were definitely built by someone who either doesn't play in live mode at all (because everything looks unroutable), or just doesn't care about things clipping and being distracting. The overuse of decoration objects also gets frustrating. It's why I never use the gallery...