Another reason to use p2p options whenever available is because that's how bitcoin was intended to be used.  The premise of institutional commercialization and  KYC requirements is the antithesis of the philosophy behind bitcoin.  It's meant to, and capable of freeing us from the Surveillance Sate.  Whenever people comply with KYC requirements they are only enable the SS to march on.

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Not to stray to far off-topic; but this one of the reasons I'm opposed to alts in general.  For the most part they've been largely (by volume) scams, and the ones that aren't have largely failed to live up to promises.  There are notable exceptions, of course.  However, they have also served yet another sinister purpose that may or may not have been anticipated: Alts have largely become a mechanism for "legitimate exchanges" to get rich while selling out our privacy to regulatory agencies.

As this pertains to bisq; it is a very bitcoin-centric platform, but it does provide for convenient trading of XMR and it does offer provisions for trading many other alts.  So, even alts can be traded p2p and without KYC.