Why do ASM platforms (e.g., GNU social, Galaxy2, Diaspora, Lorea) avoid advertising, according to Gehl?
A) ASM platforms lack the technical capability to integrate complex ad systems.
B) ASM platform aims to maintain an equitable communicative space for all users instead of surveillance and data collection practices.
C) The complex technical requirements of modern advertising do not align with the simplistic design philosophy of ASM platforms.
D) Because they depend on user donations and crowdfunding.