Those themes are truly important... Mist users at my work dont know that they are using Linux because it is looking like Windows 10.
No complaints so far, because they Know where every Button is.
(The people are gave Linux are mostly need the Computer for Mails and Word)
D&D is not because of the Lore its because of crunching numbers!!! (my autistic friend who lives P&P in General and also love to optimize his Charakters)