[rossdavidh]

I feel like this comment is well addressed in the article, where it shows how long it would take to get back to even from various dip-buying scenarios. Some of the timelines are far longer than most people would be able to cope with.

[abhayhegde]

Not really if they dollar cost average (DCA). The specific examples talk about how a new high hasn't been made in nearly 16 years, but the case is not the same with DCA.