Every attempt to increase the block size limit via hard forks (BCH, BSV etc.) has produced blockchains with less security (aka shitcoins):
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BCH and BSV aren't good example though. BSV doomed from start since it's associated with infamous faketoshi. BCH gain bad popularity due to community/developer action in past, especially claiming BCH as true Bitcoin while falsely say "BTC (Bitcoin Core)".
lol at these numbers, the beast is calling 
I hear a lot about how big blocks will reduce decentralization and make things harder for I dividual miners.
Can somebody show me some data or a paper to support this?
I hear a lot about how big blocks will reduce decentralization and make things harder for I dividual miners.
Can somebody show me some data or a paper to support this?
In past i also tried to seek such paper or analysis, but all i found was https://bitfury.com/content/downloads/block-size-1.1.1.pdf. But i wouldn't use it as reference as it lack so many details and it's been 8 years since that paper was created.