The grass always looks greener on the other side. LOL
Pretty much anything from the factory was built to hold up for the service life.
Finding a legit original spec HEI module is like finding a legit original spec ECU, or Duraspark or you name it.
On the opposite pole we can look to the one of leaders of aftermarket low cost 'upgrades'
https://www.fsjnetwork.com/forum/viewtopic.php?t=3240
https://www.forabodiesonly.com/mopar/threads/ebay-hei-distributor-ignition-module-failure.192596/
You'll like the technical reviews here.
cheap HEI distributors
snip:
the fabulous Skip White $50 Fake HEI. ...make sure your AAA is paid up. I have seen these that didn't make it out of the driveway.
Carbon button in distributor cap broken off, melted
