For some perspective VW Group has around 680k employees per wikipedia [0].
Doubling the estimate from 50k to 100k is pretty wild, though I had read last week it was 100k on the tdi-club forum thread "What's left for Volkswagen?" [1]
[0] en.wikipedia.org/wiki/Volkswagen_Group [1] https://forums.tdiclub.com/index.php?threads/what%E2%80%99s-...