Do not read these articles specifically, press articles. They are looking for excitement in the news they do not apologize for passing on misleading or incorrect information, and sometimes they do not verify the sources. You can ask here or in the mining section, and you will find better answers.

When you mine a block, you get the reward and tx fee that was included in the block.
When the block reward end all that remains is tx fees. Mining is a activity that is based on the cost of mining. It will continue as long as the network is running efficiently, and many people may mine not for profit, but to ensure network decentralization.