Until a third competitor is flying reliably it remains prudent to overpay for ULA. Even commercial satellite operators don't sole-source to the cheapest option

Until a third competitor is flying reliably it remains prudent to overpay for ULA. Even commercial satellite operators don't sole-source to the cheapest option because they want to keep other operators available. Space launch is a brittle business since a single failure will put a launcher out of commission for a significant fraction of a year.