Er... I didn't see anything that suggested that anyone thought a clone would think and act like you, except for the predictable dumb jokes that have been recycled from back when people believed the four humors controlled your body.
There'd be some DNA damage, but it's not a "50 year old baby" at all. In fact, most of the degradation likely comes from the extraction and insertion process (sticking a needle in a cell, sucking up an infinitely complex and delicate chemical compound, then squirting it into another cell is a recipe for a few mismatched mucleotides at best)- if your DNA itself mutated and degraded that dramatically and that fast, you'd have 30 different kinds of cancer by age 30. As it is, that **** can last for 20,000 years when well-preserved, and that's the inside margin.
The telomeres themselves may be slightly more prone to degradation, but not that much- get the DNA from a nerve cell or something else that hasn't replicated n billion times, everything'd be practically good as new- which, to all intents and purposes, it would be. That's what they get them from normally, precisely for this reason. And even if they didn't- telomeres can repair or replace themselves, which is a known fact, and they generally do.
At any rate, the fact that old people well beyond their seventies still have replicating cells (or else they'd be dust in short order) is a testament to the fact that major chromosome damage does not occur over time. Generally, it's a mechanical failure that does someone in, something that has little or nothing to do with degrading genes. The one exception is cancer, which means that only a handful of copies of DNA out of billions went funky.
In other words, wait until you actually know substantially more than other people around you before getting snooty. Better yet, don't do it at all, because you just end up looking an asshole when someone comes around and proves you wrong.