I thought the major issue was that they were extremely vulnerable to being blown off course during the slow-moving launch phase. Basically, that even a mild cro

I thought the major issue was that they were extremely vulnerable to being blown off course during the slow-moving launch phase. Basically, that even a mild crosswind would send it irretrievably askew. I assumed that the price issue could in theory be solved by mass production economies of scale, if the other issues could be sorted out.