Here is a link to the actual report, Bitcoin Mining Allocation, by Binance Research. https://research.binance.com/analysis/bitcoin-mining-allocation. Among their key takeaways is:
However, none of these reasons have fully explained the persistence of Bitcoin SV’s sustained difficulty with its significantly lowest mining profitability in the first half of 2019. As a result, this finding posits whether mining activity might be irrational, possibly owing to political factors or other non-economically driven forces that are beyond the scope of this report.
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source https://www.reddit.com/r/btc/comments/ecl21r/bsv_miners_not_acting_rationally_link_to_actual/