Honestly, my interpretation what probably happened:
- Gord has vague ideas how to improve BSC.
- They start optimisticly, thinking it shouldn't take too long to improve.
- They notice any change is hard (something silly as fixing the music took something like 3 hours of time divided between me and FoxyTails in research / fixing / testing), and to write a scene you click through in 5 minutes, it takes an hour to write.
- At first they figured they could produce a new version in a month, now they find out it'd take half a year at least.
- They lose interest, but feel bad admitting that they bit off more than they could chew.
- They delete their account as they don't have many posts anyway.
So I think the chance they reappear is close to zero
Personally I think SWP's approach is smarter: Have a clearly defined goal (replace art), make no promises when things will get delivered so you don't get pressured by arbitrary deadlines and just focus on steady progress over speed.
I hope Gord doesn't feel too bad. They're not the first and won't be the last who started all enthusiastically and lost interest after it was harder than expected. They really didn't need to delete their account, IMHO it would've been 100% understandable if they just posted "oh sorry, this was harder than I thought, I won't be able to do it after all".
I know I get regularly disappointed how much time I need to sink into Ren'Py to get anything done, however short it may be.
Anyway, glad to hear you're continuing SWP!