Bitcoin succeeds because it proves its inability to change.
It just exists whether you like it or not and you can't control it or change the rules to your liking.
This is how Bitcoin won the blocksize war from 2015 - 2017. Below is a quick-ish and concise summary of Jonathan Bier's book on the Blocksize War. A disagreement about how large blocks of the blockchain should be, how easy it should be to change Bitcoin's rules, and ultimately it was about control.
https://www.bitrawr.com/bitcoin-block-size-debate-explained
The author is a little late. This debate was ended longago.
What won was the idea to reduce transaction size (segwit), virtually increasing blockwize up to 3 vMB.
It makes no sense to increase block size while you can reduce transaction size. Achieving the same result with no downsides.
Bch and bsv are just scams to get people's money.