[chadlavi]

I'm a designer and I'm very pro system fonts. Then again I don't work for a company with a typography-related identity like NYT or WSJ. For them it's a lot more important, at least in theory.

But if you make like, a productivity tool or some sort of SAAS? just use system fonts.

Edit: then again, I say this as a designer who has worked a lot in companies with heavy emphasis on accessibility and performance, so that may be a bit of my own bias...