Nothing last forever. But, yes - we have better parts today than ~20 years ago. What we are saying: don't go nuts. Just replace parts that are long in the tooth: electrolytic caps.
This is DIY. If you want the next level, you need to explore designing your own amps. Not just re-capping 20+ year old ones. 😵
This is DIY. If you want the next level, you need to explore designing your own amps. Not just re-capping 20+ year old ones. 😵