The company that owns WordPress and Tumblr is allegedly working out a deal to sell content created on those sites to AI companies for training AI bots. While users will reportedly be given the option to opt out of this program, it appears that this practice could go into effect as early as this week.
Isn’t WordPress open source
wordpress.com (the blogging portal) not wordpress.org (the technology that hosts websites for you)
You can either host yourself or create a blog on their site. I’m guessing they’re selling the data they host.