The Houthis look at the Iran war, and they perceive Iran as winning, and this emboldened them.
Iran has been supplying the Houthis with arms high in quantity and quality. The Houthis are well organized while their opposition is divided and not as well armed.
The Houthis are hitting Saudi Arabia hard and gas prices are going up as a result.
WHERE IS TURKEY AND PAKISTAN!? SAUDI ARABIA’S NEW ALLIES!!!