I really hate when people pretend to criticize some idea from first principles and their deepest level is "cost too high". Why must it be high? Do you understand the structure of fully reusable launch

I really hate when people pretend to criticize some idea from first principles and their deepest level is "cost too high". Why must it be high? Do you understand the structure of fully reusable launch cost? Or how costs of space hardware are driven by mass-to-orbit cost? Sigh. — via @teortaxesTex

High-priority alert based on source significance and keyword relevance.