Going ultralight is apparently a thing among millennials. They can get competitive and a bit snotty about it.
Weight: 6.35 oz--Down quality:900 FP

You mis-spelled “insufferable”. There is an Ultralight website, I sometimes peruse it for comic relief more than anything. One of the more hilarious threads, the guy who runs the website I think, something like that, is totally blind.
He went on a solo backpacking trip. You’ll never guess what happened!
Difficult as it is to believe, he got turned around and lost off trail. All of the website members were giving updates on the SAR operations, but dancing around the rather obvious fact that going solo off into the wilderness if blind may have not been one of his Better Ideas. Younger generations have this weird thing about never criticising anything, at all, no matter how stupid. Even broaching the subject in a rather anodyne way was met with apoplexy. LOL.
The word you are looking for is ‘arrogant.’
Arrogance towards nature is always a recipe for disaster.
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I had a buddy (Mike) that was a bit over-the-top in every possible way. Mike and Jerry went on a trip to the Minnesota boundary waters for about a week. They had to portage canoes and such so minimalist was the way to go.
When they got to the first camp site Mike whipped out a 14" diameter full size dart board target and hung it up on a tree and started to shoot darts. Jerry was so pissed but Mike made his point. He was bringing what he wanted to bring.
God rest his soul. A life long friend since we were 14 y/o. I miss you Mike.