zlacker

They lack knowledge not skills. To my knowledge there is no "intuitively understand how my changes will impact a complex system without studying it" skill (unless that system is under a robust test suite, which Twitter is not)

>>spamiz+(OP)
> knowledge there is no "intuitively understand how my changes will impact a complex system without studying it" skill (unless that system is under a robust test suite, which Twitter is not

then how do they have confidence that anything works before they subject hundreds of millions of people around the world to system updates? that seems disrespectful to the user, if you asked me.

>>andsoi+R2
They don’t have confidence. The site has been breaking down. It is indeed disrespectful to the user.

>>andsoi+R2
A/B testing.