Kalshi for Macro Events: Better Than Traditional FX?

Been thinking a lot lately about how Kalshi's event contracts stack up against trying to trade traditional instruments like FX for macro events. Specifically, when we see something like the $USDZAR pair ranging between 16.64 and 16.76 today, and there's a clear upcoming economic catalyst – say, a rate decision – it feels like Kalshi offers a cleaner, more direct bet on the outcome itself, rather than wrestling with liquidity, slippage, and spread widening that often plague FX markets around big news. You're effectively betting on a binary or trinary outcome with defined risk, instead of trying to predict the precise magnitude and direction of a move that's also influenced by a million other factors. While the liquidity isn't always there for huge sizes on Kalshi, for retail participants trying to express a macro view, it seems like a far more efficient vehicle for capital. Am I missing something fundamental here, or is Kalshi genuinely a superior tool for these types of plays, even with its current limitations? Push back on this. What's the downside I'm not seeing?