I think you need a history lesson. You should probably read up on the block size wars. Your assumptions are completely wrong. How TF they gunna force an upgrade? 😂
Read the book but was also around during that time as well. Just not really involved. They are killing features and the ability to connect to older nodes. You either update or you get pushed off the network. That’s how. Can you connect to the original client ? Maybe you need to do your history.