No alec it is a misconception ,CPM ads generally comes with CPM plus CPC ads ,one advantage with cPM ads is wew ill get paid for visits but in cpc like adsense one has to completely depends on clicks which is uncertain.just think about one thing take our case when we are giving post on different forums how many ads we generally click ,we go there ,post and come back .So i'll rely on CPM ads,lets see .
if you want to be good at CPM programs then you should be able to get many traffic cheap ads to promote your link.
for example some people build a ptr site and run paid to promote program and it can get many traffic.