No, revenue is a major hurdle they need to overcome if they want to consider adding teams.It's already been addressed in this thread. Yeah, Toronto sold out a WNBA exhibition game in minutes but I'm sure it's just a cash black hole
The thing is they also are absolutely right that they need to add 2 more franchises at the very least, because the sport of women's basketball is growing and the current generation of players are as talented as its ever been. And it should be an offense that they're losing a lot of talented players to overseas competition, not to mention the fact that many current WNBA players go that route in the offseason as well to supplement income.
But money isn't the only issue the WNBA needs to tackle before they can add more teams and make it a viable league for growth. And that's where it boils down to what kind of leadership you have operating things.