@GameOnGardner Reminds me of this old post which, wording aside, helps put things in perspective. https://www.reddit.com/r/slatestarcodex/comments/9rvroo/most_of_what_you_read_on_the_internet_is_written/

@ATTWA_Roo You shouldn't use any expansion classes or content without the expansion. The checks are just hints to help remind people; they are not exhaustive. If code never runs in vanilla, don't call it from a vanilla-only mod please.