I have won above 1.5 bitcoin in gambling bit not for a long time, certainly not when the price was this high. I won over 1.5 bitcoin a few times but years ago when the price was in the $200-$400 range.
I would say the same. Because back then it was easy to bet 1 bitcoin at a time and not worry too much. Now, bitcoins are already almost $5,000.
Betting $5,000 in one bet would totally make me shiver in fear! I will never bet this much in any game even if the chances of winning is 90%!