Dash solves this with proof-of-stake, and I don't think that the BCH community would accept this trade-off (I personnally wouldn't). But yeah, InstantSend is one of Dash's forces: it
| feels great to spend money online without having to wait for a confirmation.
Love that different projects do things differently. That being said, some things like instant confs NEED to be solved before people will use it. Nothing's worse to newbies than waiting
