I think the problem for us engineering types is that there is so much bullshit around marketing, that it's offputting to us. That's the case for me at least. If I spend time/money on a feature, I know how long it will take, how much it will cost and when it will be ready. Compared to this, marketing seems like burning money with voodoo rituals.
It doesn't help that marketing efforts are only meaningfully measurable on a larger scale. If you're bootstrapping something yourself, you don't have 12k to spend on marketing this month. You have $300. It's easy to burn that $300 on adwords or facebook ads and get zero signups, with no meaningful data whatsoever.
The usual advice goes: hire a marketing expert. But how do I hire a marketing expert that a) isn't full of it, b) will even listen to me if my current budgets are in the hundreds of dollars?
I think the article is right on point, but I wish it pointed me to a way to deal with the marketing problem.