Yes. It's important to recognize that there's a big difference in one's willingness to adopt a technology if its creator is on staff. Chris Mason's full-time job is to make sure the thing he built works well for his employer.
If you work some place that doesn't have that kind of luxury, perhaps a little extra conservatism is warranted before you go deploying across "millions of servers".
If you work some place that doesn't have that kind of luxury, perhaps a little extra conservatism is warranted before you go deploying across "millions of servers".