Am generally pretty optimistic about Stripe. Part of the job, honestly. But, man, if we ship even half of what‘s planned for 2019, the year is going to be a true lollapalooza.
I may have less experience than you do in managing software development. I've done some, but not as much as a product manager at google or stripe. I've never heard of an OKR. That said, I still maintain that his tweet is like saying "You can take your foot of the gas, team."