Can cryptocurrencies never be fully decentralized because finding peers is centralized?

Can cryptocurrencies never be fully decentralized because finding peers is centralized?

When initially running a cryptocurrency client, it needs to fetch peers from a centralized source. If an attacker gains control of all of a client's default peers servers, they would be able to restrict the client's access to the rest of the peers. Then, they can give the client fake data and there would be no way for the client to tell.

Are we just ignoring this issue because it'll be hard to gain control of the servers?

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