I just don't understand it. Publishing space online is infinite and will continue to be infinite no matter how popular somebody else gets. Who gets overwhelmed by somebody else publishing something?
Those with more resources have...more resources. More money they can put into spreading their word wider. They often know people in media who can increase the number of voices that are talking, the ears that are hearing. I can say anything I want online, as many times as I want. I still won't have the reach of someone who is boosted by national news, the New York Times, a Facebook group with thousands of member, a friendly YouTube or TikTok influencer.
The users have a certain responsibility for finding what they are interested in themselves. If you rely only on Google in this year, you will miss out. Everything can not be on the front page at the same time. It's the same if you go to a store IRL, with the exception that you of course are free to start your browsing anywhere else than on Google - like most people do today with social media.