mainstreamism means quality of being mainstream. Lexicurio rates it Rare gem — a strength score of 84 out of 100.
Etymology
From mainstream + -ism.
noun
- Quality of being mainstream.“So, those academics who mistrust Isabel Allende because of the mainstreamism of her work may be effectively mirroring the sentiments of Esteban Trueba with his loathing of 'la música popular' […]”