They are allowed, but in moderation, because he is certainly not "unsung" is he.
That's odd, because I have been a member of this forum since its inception, and it has never been the Unsung Composers Forum (although fans of Unsung Composers are certainly welcome here, alongside others).
When I scroll to the top of the page, it clearly says
The Art-Music Forum in large, bold lettering. It furthermore tells us that the forum enables discussion of
all the Arts in an erudite and decorous atmosphere full of freedom and delight
. There is nothing about Shostakovich, Unsung Composers, or any other specific composers.
