That is true even for entertainment videos on Youtube. Some people have the delusion it's effortless. PewDiePie said he was for at least 2 years posting videos

That is true even for entertainment videos on Youtube. Some people have the delusion it's effortless. PewDiePie said he was for at least 2 years posting videos for ~100 followers and a regular ~1mil views/video youtuber often spends ~12 hours for editing a 5 minute video.