Also, remember that it's not easy to pinpoint the exact responsible agent for a lucid. Some lucids may start in a spontaneous way, but that's just because we aren't aware of possible factors that made us arrive at that "lucid" moment. The deal is that DILD is quite more complex than WILD, because there's several ways your brain can take to achieve lucidity.

In one of their videos, they state that the reason that causes many beginners to be unable to accomplish lucidity, is that they are taught to rely on randomly attaining lucidity through performing reality checks frequently .
If you do reality checks for several weeks, and nothing else, you will still get lucid dreams: that's for sure. A bit of skepticism when reading throughout all the sources that proclaim to be "expert" at lucid dreaming is always a good thing