Manual withdrawals for larger cashouts is common practice. Considering how you seem to use a variety of dicing sites, you should already be aware of this practice.
Not to mention, they did pay you out in the end.
Primedice is a big site, the cash out was only
BTC0.106 and I think with their status, it's not big.
Maybe the reason why his last withdrawal was on hold because he did a lot of withdrawal in a single day, if you look at
https://prnt.sc/mcq844,
he made a total of 9 withdrawals, including the last one that is pending (which was resolve now) and it totaled to
BTC0.6863.