Script heatmaps are actually quite useful even to people who don’t use scripts - knowing how much action there is, where it is, and how intense it is can give a nice overview of what the video might be like.
For example, lots of gaps can indicate that the video has more teasing, or more story/scenario-related content. Or a long period between the start of the video and the start of the action can indicate that there’s more story / setup, which some people might prefer (or prefer to avoid!)
@Husky’s suggestion to give a high-level overview of script intensity in the thumbnails is a good one (although I’d still provide the full heatmap in the video information page).
Perhaps not with green → yellow → red colors since that might be interpreted as ‘quality’ or something…plus not good if you’re red/green color blind.
I’d probably go with cyan → purple → pink, for scripts 0-100, 100-250 and 250+.
…also omg @Husky I just realized from that picture that the icon is a fleshlight!
I always thought it was a padlock indicating that interactive content was exclusive hahaha