Kevin Feige arranged a sweetheart deal which cost Disney hundreds of millions of dollars, because he wanted to demonstrate the value of cooperation to Sony (since such negotiations were previously unthinkable, and someone had to make the first move).Ok, so the deal expired but this still means that it was Disney who made new demands. To frame it as "Sony chose to take Spiderman out of the mcu" feels kind of wrong.
The deal expired and Feige proposed a new win-win deal at the renewal. Feige proposed an equal partnership.
Sony shot it down because they liked that sweetheart deal, and they want more of that free money. Even though that was never going to continue forever.
Sony walked away. Sony thinks they can make MCU-level movies without Disney (even though Far From Home was literally the biggest movie Sony has ever seen). Sony thinks they have learned Kevin Feige's secrets through their time working with him, and now they can be the new Kevin Feige. LOL no. That's not going to happen.