Idk, i think SpaceX is catching a lot of heat just because they have musk “at the helm”. He doesnt even do anything there, he isnt an aerospace engineer. They just let him sit in mission control so he can feel special. The actual work spacex is doing is revolutionary. Reuseable rockets are a seriously groundbreaking development. Almost everything you do these days relies on a sattelite connection, so doing that cheaper, more reliably, and less wastefully is massive.

Starlink is a different matter tho, its just another ISP but with a fancy connection method.

Probably not, theres been some needleless vaccines before that did ok. If anyone has done time in the military you’re probably familiar. Also any loss in efficacy could probably just be offset with higher concentrations