If it started auto-disappearing I would leave the game. First off, it's ridiculous that the window doesn't show the value...but if I had a good loot window disappear before I was done with it, I would go ape-shit.
It's bad enough playing with the brainless robots that disable it, and their shitty looking screenshots that don't show the true beauty of a good loot, because they have no imagination and don't relish every second of the treasure hunt that comes during the mob after a hof as you sift through the loot window looking for the sneaky ESI.
And if any of you Caly-folk say, "even on HoF's, there is only 3-4 things to look at in a loot window" I will simply pass out from shock at your narrow-mindedness, as I still know where to go to get actual loot. I regularly get loot windows from one kill with 20-25 Items and stacks in it. The other day I got 28 things from one mob on a 200 ped global. Ruin my ESI treasure hunt and see how fast I withdraw. I like adding up the loot as I sift thru the box while I kill the next mob to determine how loot is going. It's more fun than adding it up all at once one the left side of the screen, and then staring at a stupid mob over and over for the other 15 seconds of the kill.
"Oh woohoo guys great Great job...5 digits...we ubered!!!
(meanwhile the weird foreign guy in the team is oblivious to what just happened and keeps killing mobs and cycles the team loot out of the chat window as you are celebrating)
"What you get?" "I got uhhh...shit I forgot to look, I was all excited at the 10k HoF and forgot, now its all mixed in with my other loot...damn what I get? My window closed on me! Wait, let me check chat logs....how do you do that again on Windows 8?...Oh wait, nvm, Bob was running the team loot on EL....what it crashed? Dammit, Bob! Shit, I had like 2k of loot on me I think now I got...huh? I still got 2k? Wait wtf? did I get nothing?...Maybe I had 1k on me...idk...guys, hold on, now I think maybe my loot didn't show up in my inventory...guys? Where you going?"
Touch the loot window and shit will get crazy. Optional fine, I don't mind. But seriously, mess with it, even accidentally, and I will explode.
P.s. Wow, after proofreading this, I see I got a little over-emotional on the subject. Sorry about that.