Just a reminder for those who are too deep in their politics to see things objectively, the last time the Houthi shut the BAM the world got together to deal with it.
There is zero reason to believe the world will be any happier/tolerant with the Houthi this time. The BAM makes it about far more than energy and fertilizer, and will hit China just as hard or harder than the West.
China can have all the coal they want, but if the world can't get their goods, they aren't making money.