I wonder if this is not a good argument to actually make all kind of advertising illegal. There is no way that ensuring huge entities with enormous capital are

I wonder if this is not a good argument to actually make all kind of advertising illegal. There is no way that ensuring huge entities with enormous capital are able sustain their dominant position thanks to flushing cash at ads is healthy. I've yet to see a situation where advertising was better than word of mouth, personal experience or expert feedback. It seems it's all gain for them, no gain for us.