I think that's a symptom of the provider you chose, not the XMPP sphere itself. I've used Jabber/XMPP for just over 15 years and while I've seen plenty of bullshit going on in various highly popular MUCs (join-floods, phishing attempts and such) I've never personally been subjected to spam directed at me.

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tcfhgj 2 hours ago | parent [-]

I have joined XMPP rooms via Matrix and have already gotten spam from XMPP this way

	▲	zaik 35 minutes ago \| parent [-]
		Which is surprising since XMPP allows you to hide your global address in public rooms and Matrix doesn't (unless they fixed it by now?).