dilettantism
idle, often affected, almost always barren admiration and study of the arts, 'in earnest about nothing'
en-GB/dɪlɪtæntɪzəm/
en-US/ˌdɪlɪˈtæntɪzəm/
idle, often affected, almost always barren admiration and study of the arts, 'in earnest about nothing'