Any assets used from Freepik must be used within the terms and conditions set by Freepik.
“The User may use the content in the Freepik Content provided that it:
Does not resell, assign, transfer or sublicense the content in the Freepik Content or any derived work from a content in the Freepik Content”
This means that no one should be taking assets from Freepik, animating them, and then be putting them up for sale on the LottieFiles Marketplace.
If a user on LottieFiles uploads any Freepik assets used to create free public Lottie animations, first and foremost they must make sure they are complying with the terms and conditions of that Freepik asset, AND they should make sure there is credit given to Freepik and that it is linked to in animation’s description.