Or why are they still unprofitable if they have 10s of thousands of paying business customers. Are they planning on becoming profitable when they have 100s of t

Or why are they still unprofitable if they have 10s of thousands of paying business customers. Are they planning on becoming profitable when they have 100s of thousands of paying business customers? Is it possible that its very hard to keep scaling after a certain threshold to meet the needs of all these business customers that require different kind of features.