Earlier quoted context omitted.
That’s because you are maybe not in the market for MarkMonitor. If you check the whois for any global brands chances are they are held by MarkMonitor. Just like you don’t use EY as your tax advisor.
Genuinely, I don’t understand how anything other than uptime matters for a domain registrar. What services are they offering that makes them attractive to corporations?
Mark Monitor will apply a lot more filtering to complaints.
Ironically this is allegedly what happened in this case, a complaint about the domain got it taken offline.