I got a response from a support person telling me to increase border padding beyond any reasonable aesthetic level. Aesthetics is the purpose of buying the product, otherwise non-aesthetic screenshots are built into macOS.
The support person asked if this error happens regularly... well replicate it for yourself using my screencast and that's your answer.
There was no bug fix. No point version update in the works. The last software update was 9 months ago on 15 Jan, 2023.
I feel like Tony's able to be a profitable solopreneur because he outsources all support to people who don't really care about the quality of the output.