...Based on your reasoning, my boat was also manufactured in August and was built by 'Gertrude'
BTW - just a disclaimer... I'm no expert at this... I design electronics for a living. I just read the West System information at the link I provided, made some judgments/guesses about how I wanted to go about the repair, and went for it - and so far it's worked out fine.
Regarding the epoxy flowing to fill in any voids - that's no problem. The epoxy mixture itself is quite thin and runny (like pancake syrup). It only becomes thick when you add thickeners to it - so you can have it as thin or as thick as you want!
...try west marine seach ref no. 105191 for the 6" tape
....your pictures are so good you can see where you hit the bottom plug with a hammer (instead of using a block of wood or something)...take care, Eric