laravel observers, whats the rule of thumb?

After reading the replies of this tweet I got confused cuz some people mention that the first query won't trigger the eloquent observers, why is the first query different from the second one? I always thought they were the same thing and there weren't any significant differences ​ https://preview.redd.it/l2ap1x8pl6sa1.png?width=1013&format=png&auto=webp&s=1b3db38fc0183bf008d42de15dbda927394fd315 submitted by /u/mrdingopingo [link] [comments]
http://dlvr.it/Sm45LN