Sort:  

My only other thing is that, what can bch do that ltc or dash or even zcash cant? And why would people choose bch over thise as an alternate to btc?

Dash has masternode centralization risk. Zcash isn't trustless. LTC carries the same stuff as BTC.

BCH is different, read my latest article:

Coin Marketplace

STEEM 0.18
TRX 0.16
JST 0.031
BTC 60460.59
ETH 2624.41
USDT 1.00
SBD 2.55