Stating something as fact (oh, a source disputed this), artful use of connotation ("a yahoo source played it off..."), and lastly (where I stopped reading), calling the founder of Tumblr s "20-something". You don't get to call a 29 year old a "20-something".
Feels overly sensationalized, even if yahoo is where start ups go to die.
I don't think there's any need to add an adjective to it unless the intention is to convey ~"too young; naive; inexperienced" as seems the case here. They could simply say e.g. "John Doe, 29, [...]".
Y'all should be cognizant that there's a human being with their own priorities writing articles liked this.
My point in showing how biased this article is so you can remember to take it with a huge grain of sale. Probably less story here than it makes it out to be: