Those all contain problems, which can and should be solved.
You don't want to find ways to reduce (or eliminate) taxes, without any negative side effects?
You wouldn't approve of a way to deliver vaccinations that hurts less than a needle? (Personally I don't mind it, but some people do.)
You wouldn't approve of finding a way to let people travel faster? One without negative side effects, of course.
You seem to be advocating for the status quo, and denying improvement is possible.