Widespread usually means a lot of people are familiar with it and since the community is large, problems should arise and be fixed quickly - in the best case.

Widespread usually means a lot of people are familiar with it and since the community is large, problems should arise and be fixed quickly - in the best case. Not advocating Mongo here, just saying that adoption is not an irrational reason. I have mostly seen this with Java, when people tell me: We chose Java, because that's what they teach at universities and this is what developers know.