Are my observings at https://chainz.cryptoid.info/dmd/#!rich correct that 5 of the top 10 riches are not participating with master nodes?

Nr.3 dVAgPSSCy4wBDoQP8K5jCra8kMazbDuqeZ
Nr.5 dUsw2oVjmouS1vskKRRKeWE4gG94CxrXfz
Nr.8 dHTncBnHPS8znnWL6oYQgJ3Jkz7CUqoXXF
Nr.9 dPZCvVCY9CseU5bhro4Hufh94K27XpMTf7
Nr.10 dT8BH4bph71Prm1kP1s7ZTXKVFg33vXUtr


If this is right, I really have to wonder why, because the owners are losing lots of DMD and it makes PoS unnecessarily hard for others.