Drive shaft vibration elimination

Hey guys, be honest, who among you has done shaft balancing? And more importantly, did you see any improvement?

I came across this piece that says without balancing, my car might break down eventually. But so far, it vibrates but keeps going. Maybe it's just the automotive version of homeopathy - harmless but pointless?"
Article : <a href=https://www.helpanimals.ru/go?https://toolbarqueries.google.it/url?q=https%3A%2F%2Fweacom.ru/go/aHR0cHM6Ly9pbWFnZXMuZ29vZ2xlLmltL3VybD9zYT10JnVybD1odHRwczovL3ZpYnJvbWVyYS5ldS9leGFtcGxlL3Ryb3VibGVzaG9vdGluZy10aGUtYmFsYW5jaW5nLXByb2Nlc3Mtb2YtY29tYmluZS1oYXJ2ZXN0ZXJzLw> Shaft imbalance </a>