Good for the Houthis...not only is USA not giving it a second's thought but the Saudis are probably salivating at the thought of having another go.Doesn't need to be countries in an official capacity, there's plenty of terrorist factions in the middle east that if united could create a great deal of trouble for Israel and I'd imagine many more Islamist sympathisers who ordinarily wouldn't consider fighting but probably would in the right circumstances
The Houthi's have already said they're in if the US gets involved