To be honest I'd prefer a "speedrun" on jelly king rather than "no damage" approach. My fastest on JK is 36 seconds (from button press to jelly boom, in a party) and I have some ideas on how to make it faster.
The idea of a JK speedrun goes completely out the window when a player uses 4 well placed FoV charged hits to end the fight in 18 seconds.
(**Edit: How many speedruns of JK do you see? How many "No damage taken" runs do you see? Which requires more skill? 4 shotting with FoV as you almost burn to death or finessing a kill without getting hit?)
Twins also have some independent (from players) elements that make speedrun out of question - time it takes to kill twins depends on how soon they line up, I was in a run where one puppy just refused to line up with another puppy for several minutes straight on the first stage (where one puppy is moving and another is not).
I ran into this problem when I was fighting them...and I figured out an outside the box way to deal with it. If you watched the both the 1:41 and 1:51 videos, you'd realize my strat bypasses the dreaded Phase 1.5. Innovative? Well that's why you learn from it instead of saying a speedrun is out of the question. As a result, both of my twins runs are faster than anyone elses by a mile. And because of this, there might be others who may beat this time.
As for vanaduke, I already have a 6 minute long fight (precisely 6 minutes) where nobody dies, and in my opinion its good enough as it is
Why? There's a speedrun of players doing this fight in under 2 minutes with no one dying. You can't "crave" a speedrun somewhere and then disregard a speedrun somewhere else.
As for clean solo kills - that promotes player, not guild. Its the teamwork that promotes players or guilds, not solo kills.
People identify guilds through players. Solo videos promote BOTH player and guild. You are talking about guild runs using teamwork in a game in which all content can be soloed!
There are things that require a guild family of players using teamwork, such as PvP...which I look forward too BTW. But outside of speed running vanaduke, there isn't a PvE promotional video unless you are showing family runs where you are helping weaker players in your guild progress.
The PvE design of the game was the reason that joining a guild seemed pointless at first. "If you can solo all the content, what does a guild help you do?". But guilds do have other uses!
Guilds help out new players and make them better
Guilds can organize PvP in Lockdown
There's a social aspect of guilds that's handy
Skipping useless depth levels and getting to boss fights / arenas etc is alot easier with a guild.
There will be a new t3 boss, progression runs are safer with a group.
And come on, in the long run, who wins?
The guy who rushes all the time and takes a million hits or the guy who never gets hit?
Both win if the first guy has enough CE to revive =)