I'm sure it's true for many. For others, they are aware it's not required but appreciate/hope for it. But they'd rather make it easy to use their assets than require it and end up not being used or being a burden to creators. So yeah, it'd be cool. Not required, just cool.
PS: feel free to delete this comment thread, thank you for reading but I don't want to make the comment section of your game annoying for others.