No, but you are, shall we say, a time limited resource.
Case in point. Colt can’t build any more of the classic Pythons. The guys who knew how to do that level of smithing are either retired or dead.
To make something with that fit and finish again is possible, bit it takes more skill and knowledge than is currently easily available. Those skills died with the men that had them.
Yes. the skills those men had died when those men died. The skills those men had did not die if those men got fired from their jobs, or if someone else was taught the skills.