Never, because it's impossible to have a platform if keeping something content up gets them fined AND taking content down gets them fined. They don't have perf

Never, because it's impossible to have a platform if keeping something content up gets them fined AND taking content down gets them fined. They don't have perfect knowledge of how a court would rule in each case, so they err on the side of caution. Remove the side of caution and you can't have a platform.