Good ol' Joe took the Houthis off the terrorist list back in February 2021.
There is no evidence any cyber attack has done anything at all to Iran gas stations. Someone makes up a story and posts it and people run with it. Show videos of Iranian long lines, dated now, and then prove those were not bogus.
There is no evidence any Houthi drones are targeting American ships. As best I know, they are targeting tankers and cargo.
They can also be jammed unless they are inertially guided, which seems unlikely given that tankers and cargo move and pre-loading a latitude/longitude for targeting will fail.
As for shooting them down, you do realize this is a bunch of guys with M16s? There is no magic guidance against a tiny target with no radar signature.
Plus he sent all those billions to Iran