If you define triumphs to include only 'popularity' and developer preferences, then sure, its triumphant.

> using a license like the Business Source License indicates a lack of belief in the vision of open source

The issue is that the vision of open source itself is lacking, because it doesn't recognize that it fails to provide a pathway to being compensated and rewarded, tangibly, for building, contributing, and maintaining open source software and the infrastructure that supports it.