It matters because PCGS treats altered-date coins differently to damaged coins.
A damaged coin gets slabbed in a Details slab. A coin where PCGS determines that the date has been deliberately altered to make the coin appear as if it had a rarer date, is classified by PCGS the same as a "Counterfeit"; such coins are supposed to be bodybagged and not slabbed.
That PCGS slabbed the coin and described the coin as an 1825 cent and "Damaged", rather than an 1835 cent in a bodybag, indicates that they did not notice that it was actually an 1835 altered date.
If they had slabbed it as an 1835 cent and called it "Damaged", that would have indicated they noticed it wasn't really an 1825, but concluded the alterations to the shape of the 3 were natural and unintentional random damage, rather than a deliberate attempt to turn the 3 into a 2. That the tooling was "good enough to fool the
TPG" pushes me toward it being intentional damage i.e. an altered date.
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis