Probably because they were contractually obligated. Nasa and Boeing entered into their agreement in 2019 when SpaceX was making headlines for reusable rockets and the Starship announcement. Boeing had FOMO they might miss out on government money so they made their own rockets with blackjack and hookers. Sadly, now Boeing is working hard to keep up while also trying to not kill more people with their “flying” machines.
Because Boeing has evidently become a “safety third” sort of company over the last several decades
Better question is, why did NASA let them
Probably because they were contractually obligated. Nasa and Boeing entered into their agreement in 2019 when SpaceX was making headlines for reusable rockets and the Starship announcement. Boeing had FOMO they might miss out on government money so they made their own rockets with blackjack and hookers. Sadly, now Boeing is working hard to keep up while also trying to not kill more people with their “flying” machines.