Correct answer is that it’s both. 
Arguments that it’s blessing: https://simplystatistics.org/2015/04/09/a-blessing-of-dimensionality-often-observed-in-high-dimensional-data-sets/
Paper on blessing and curse of high-dimensional data: https://pdfs.semanticscholar.org/63c6/8278418b69f60b4814fae8dd15b1b1854295.pdf