Kagan Dunlap gave a familiar speech at the 250th anniversary celebration of the U.S. Marines
(www.youtube.com)
Yes, he did it on purpose and is is a big fan of HD2
via: https://x.com/Kagan_M_Dunlap/status/1979966271522287944
And here I thought that Helldivers would have a thick enough crust of ironic humour to be immune to the problem faced by WH40K of people missing the point entirely and going "wowzers epic manly war!".
Guess it was obvious, given that the original inspiration by Robert A. Heinlein was also completely unironic...