The guy from CO was completing the seven summit club and was an experienced climber as were a bunch of the other climbers who died recently. The problem on Everest is lax regulation on the number of climbers aloud up the Nepal side and on the experience of the climbers and outfitters who are taking people up. Nepal issued too many permits this spring and then shortened the window for the ascent. Then, once you are up there, it is every man for themselves. Everyone piles up when there is a short window of good weather for the final ascent as was the case this year. The Chinese figured out that things were out of control, cut the number of permits, shortened the season and starting cleaning up all the trash. Unfortunately, the tourism industry has too much sway with the Nepalese government to stop what everyone knew would be a disaster.
If you wanted to blame technology, it would be GoPro instead of instagram. The instagram crowd doesn't have the time, money or commitment to do serious mountaineering. But thanks to GoPro and the wide availability of videos from back country thrill seekers, we now have tons of videos and pictures from places where you would previously need to spend a few hundred thousand to get helicopters and crews out to get footage. So, there are way more people out their chasing back country thrills and going after Denali and other big ascents then there were 20-30 years ago. Naturally, Everest is number one on the mountaineering bucket list and demand is out of control.
I agree that people collecting shots for their instagram account is annoying and narcissistic. But it has reignited interest in our national parks at a time when certain government officials are not acting in the best interest of our natural wonders. So, if millenials help save the national parks from the current administration and help protect and expand the parks, then that isn't such a bad thing.