Yes, the people are dumb for trying to do that without a full fireteam. 
No, it is not a glitch. It's an exploit.. and it's not their fault the drop rate for skeleton keys are absurd. 
It's bungie's fault for the drop rate & for not fixing it like the omnigul strike so there is no reason not to take advantage of it until it does or if it ever even gets fixed.  
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	Next time something like this happens, just reply 'Je ne comprends pas'
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	I totally agree. But it's probably just personal preference. I'd rather pay 20 separate strikes and get 2 keys, then just kill the same boss over and over. I like to grind, but not with exploits. But yeah, I get ya.
 
										 
					 
					 
		    