MSD yay or nay

I bought a 74 Firebird 400 in 2011 and it had an MSD box on the firewall. In 2019 I was driving home from work one day and the car just died. Got towed home. It was the MSD box. I ripped the MSD system out and put a 1 wire GM unit in from Summit Racing. The car doesn't run any better or any worse now than it did before with MSD.

My opinion is this: for a street car, don't do it. I don't feel it's worth it. For racing, it's fine because chances are you're trailering the car anyway so if it craps out, no problem.