The growing pains of a burgeoning successful startup apply. As Twilio prepares for an IPO, they have to look more attractive to investors and are making the changes to accommodate the growth. Lots of new people, lots of new processes, and this might not be for some people.
When you hold yourself and your employees to such a high bar, there is a good chance that some fingers are going to slip from that bar. This is bad especially when those are managerial finge... alright, I'm skipping the bar analogy. It's so important that these values are regularly revisited at all levels.