Absolutely fascinating read.

This is the history of the first Op_Return war in 2014.

Here is a snippet:

“On 25th March 2014, Vitalik Buterin, the main founder of Ethereum chimed in, he argued that the debate should be more around fees and if you pay enough fees then your transaction should be legitimately included.”

https://blog.bitmex.com/dapps-or-only-bitcoin-transactions-the-2014-debate/