This suffers from both the fundamental attribution error and the labor-theory-of-value error.
They seem to be implying:
1) We got funded.
2) We worked hard on our pitch deck.
3) The effort on our pitch deck is why we got funded.
I don't see any reason that their first pitch deck is better than their 12th or their 23rd. Just because the 23rd investor liked their business plan doesn't make that pitch deck, or their strategies to improve it, correct.
They seem to be implying: 1) We got funded. 2) We worked hard on our pitch deck. 3) The effort on our pitch deck is why we got funded.
I don't see any reason that their first pitch deck is better than their 12th or their 23rd. Just because the 23rd investor liked their business plan doesn't make that pitch deck, or their strategies to improve it, correct.