Okay, so I worked up the courage to ask and I'm not alone in this concern: There's lots of weird idiosyncrasies like mentioning acid damage without any framework or explanation of what that is in the rules themselves.

𝕴𝖓𝖋𝖊𝖗𝖓𝖆𝖙𝖗𝖎𝖝 𝕾𝖔𝖕𝖍𝖎𝖆

I don't think the devs are making any system, I can't say this on the discord for fear of getting moderated, but I heavily suspect they just grabbed a bunch of mechanics from darling indie ttrpgs over the last half decade and asked an LLM to make a D&D5E-level simplification of VTM using them.