AI Primarily Using Wikipedia Makes it the De-Facto Source of Online Intelligence. Is that Good?

Search Engines, Voice Assistants like SIRI, AI Models now have gravitated to having Wikipedia be their primary source of knowledge. This makes Wikipedia dangerously overly significant and is thus subject to influence. Can it be influenced?

Is it a neutral source of information? Is it an accurate source of information? As a basic source of AI knowledge, will AI make correct decisions if it’s info is based on this one source predominantly?