No, they started with a code only framework (my beloved LibGDX) and then moved to Unity/Godot for the sequel for pragmatic reasons. See my other comment.
Being ubiquitous was part of the decision, yes, because it means there are many high quality plugins instantly integratable which is a huge time-saver.
Being ubiquitous was part of the decision, yes, because it means there are many high quality plugins instantly integratable which is a huge time-saver.