They’ve had inhalable flu vaccines for a bit though limited in terms of availability. The shot is a fair bit cheaper though so be interesting to see whether this is cheap enough in the current antiscience environment to stick (haha) around. Even if this works for flu we are still going to be getting covid boosters via a needle for a number of years at least.
They are fellow rich people. Losing a few billion of a trillion dollar family when you’re also rich is whatever. They’ll build it back in a month or less, the Saudi wealth fund is just that large. Twitter probably modified the algorithm to favor certain MBS takes and downplay things they’ve done which probably counts as worth it enough for them. Same reason they do sportswashing. Making the money off it is just a bonus to preventing western sanctions or interference because of citizen pressure.