Above was right, that isn't an attack lol, and nobody will attack if they will give you some fraction of Bitcoin. That's too generosity if someone does that.
While it wasn't in this case, a
dust attack trying to deanonymize user, does exist.
However, the amount sent is way smaller than a few $.
Unfortunately, if Charles-Tim lost his wallet file, and has to recover the wallet from seeds, he will not see address labels again.
There is a "label sync" plugin for electrum which uploads your labels to a server.
This allows you to retrieve them after recovering your wallet with the mnemonic.
There are definitely some privacy concerns regarding this. But some people don't care about privacy and therefore this might be something useful for them.