Bch does solve the scalability problem that btc is facing right now, especially the fees is ridiculous in btc, hopefully they come out with something soon. But it takes years for btc,ltc, and many others to reach the market cap where they are now. Its crazy how quickly bch, and bitcoin gold, and many other bitcoin baby will reach top market cap so soon, just months.
BCH can grow so fast, in addition to its excellent technical performance, can be everyone's favorite and recognized, in addition, but also because it is fortunate enough to appear in such a good market