True, and the turnaround time is insane compared to traditional animation or even hiring someone to make custom clips. You basically describe what you want, wait a bit, and you've got something unique that nobody else is using in their videos. Check out the AI video generation platform Kling 3.0 here:
https://kling3.pro . You feed it your text prompts and it creates video clips that actually match what you're asking for instead of giving you random stuff. Works well for those quick inserts and transitions you're talking about, plus you can tweak the prompts until you get exactly the vibe you need for your channel.