~20 years of code, fixes, workarounds, and with a lot of outdated methodologies[0]. I'd love for there to be a competitor to something like Eve or Elite Dangerous in the free software space, and VS is the closest thing I know of. but I don't know that it's worth trying to figure out the cobwebs.
[0] I'm not a SWE, so I may be completely wrong. This is from my limited perspective only.