Here is someone using blockchain analysis in 2021 https://old.reddit.com/r/solana/comments/qs3hb5/alameda_buyi...
My memory of general sentiment is different, but again you can't prove something like that. As far as hard data, all I can think to offer is this breakdown of FTX's creditors by country, compiled from the bankruptcy filing.
https://nitter.net/pic/orig/media%2FFiMwSncXEIMlb70.png
The creditors are 2% USA customers, 93% offshore customers, 5% unknown. The USA did not trust FTX at all.