I don't know if my interpretation is correct, but...

Dan Oliver: Over the years Stack Overflow has gained a reputation amongst developers for its over-zealous moderation and its often-chilly reception to new users. Is this being addressed?

Prashanth Chandrasekar: We have now changed that and we want to serve developers of all kinds. We're not some sort of elitist place, where it's supposed to just be the best programmers in the world. That doesn't make a lot of sense. It's all about how we embrace the new folks who are interested in this space, open it up so that they are all learning from each other.

...I interpret this as alluding to:

• the "welcome wagon" of 2018+ (see questions tagged welcome-wagon); and
• various efforts towards new user onboarding over the years.

It could also pertain to the philosophy of optimizing for pearls (i.e., high-quality answers), sometimes as the expense of questions.